Anti-Doping
Statistics - 2023
Number of successful test attempt per athlete in 2023
| Last Name | First Name | Gender | Sport | Nationality | Tests in 2023* | OOC Tests in 2023** | IC Tests 2023*** | |
|---|---|---|---|---|---|---|---|---|
| Ismail El Kamash | Youssef Mohamed | M | Swimming | EGY | 1 | 1 | 0 | |
| Aarts | Laura Petronella | F | Water Polo | NED | 3 | 1 | 2 | |
| Abbas Mahmoud | Ahmed Akaram Mohamed | M | Swimming | EGY | 4 | 2 | 2 | |
| Abraham | Lilla Minna | F | Swimming | HUN | 6 | 6 | 0 | |
| Acerenza | Domenico | M | Open Water | ITA | 10 | 8 | 2 | |
| Acevedo | Javier | M | Swimming | CAN | 7 | 6 | 1 | |
| Acin | Nikola | M | Swimming | SRB | 1 | 1 | 0 | |
| Adachi | Seiya | M | Water Polo | JPN | 4 | 3 | 1 | |
| Adamchuk | Ivan | M | Swimming | BLR | 3 | 3 | 0 | |
| Adeev | Denis | M | Open Water | RUS | 4 | 4 | 0 | |
| Agapitova | Elizaveta | F | Swimming | RUS | 5 | 4 | 1 | |
| Aguirre Rubio | Unai | M | Water Polo | ESP | 1 | 1 | 0 | |
| Agundez Garcia | Gabriela Belem | F | Diving | MEX | 5 | 3 | 2 | |
| Ahmed Nasr Ameen | Abdallah | M | Swimming | EGY | 3 | 1 | 2 | |
| Ai | Yanhan | F | Swimming | CHN | 12 | 9 | 3 | |
| Airaud | Yohan | M | Swimming | FRA | 1 | 1 | 0 | |
| Aitu | Bede Mark | M | Swimming | COK | 1 | 1 | 0 | |
| Akhmetov | Ruslan | M | Water Polo | KAZ | 4 | 3 | 1 | |
| Akimov | Roman | M | Swimming | RUS | 5 | 3 | 2 | |
| Alafragkis | Ioannis | M | Water Polo | GRE | 2 | 2 | 0 | |
| Alavez | Laelys Marine | F | Artistic Swimming | FRA | 1 | 1 | 0 | |
| Albayrak | Emir Batur | M | Swimming | TUR | 7 | 7 | 0 | |
| Aleksenko | Isaiah Roger | M | Swimming | NMI | 1 | 1 | 0 | |
| Aleksiiva | Maryna | F | Artistic Swimming | UKR | 5 | 3 | 2 | |
| Aleksiiva | Vladyslava | F | Artistic Swimming | UKR | 5 | 3 | 2 | |
| Alexandri | Vasiliki Pagona | F | Artistic Swimming | AUT | 5 | 3 | 2 | |
| Alexandri | Anna Maria | F | Artistic Swimming | AUT | 4 | 3 | 1 | |
| Alexandri | Eirini Marina | F | Artistic Swimming | AUT | 4 | 3 | 1 | |
| Alexy | Jack | M | Swimming | USA | 8 | 3 | 5 | |
| Alférez Licea | Regina | F | Artistic Swimming | MEX | 5 | 5 | 0 | |
| Almeida Lopes | Gabriel José | M | Swimming | POR | 9 | 6 | 3 | |
| Altamir Lopes Melo | Luiz | M | Swimming | BRA | 5 | 4 | 1 | |
| Alvarez | Anita | F | Artistic Swimming | USA | 3 | 2 | 1 | |
| Anderson | Freya | F | Swimming | GBR | 8 | 6 | 2 | |
| André | Angélica | F | Open Water | POR | 8 | 7 | 1 | |
| Andrew | Michael | M | Swimming | USA | 10 | 6 | 4 | |
| Andrews | Abby | F | Water Polo | AUS | 3 | 2 | 1 | |
| Andrews | Charlize | F | Water Polo | AUS | 3 | 3 | 0 | |
| Androssov | Daniil | M | Open Water | KAZ | 3 | 2 | 1 | |
| Andrusenko | Veronika | F | Swimming | RUS | 5 | 5 | 0 | |
| Angiolini | Lisa | F | Swimming | ITA | 11 | 8 | 3 | |
| Angus | Sophie | F | Swimming | CAN | 6 | 3 | 3 | |
| Angyal | Daniel | M | Water Polo | HUN | 4 | 3 | 1 | |
| Antoniou | Kalia | F | Swimming | CYP | 4 | 4 | 0 | |
| Argyropoulos | Stylianos | M | Water Polo | GRE | 3 | 2 | 1 | |
| Armbruster | Luca Nik | M | Swimming | GER | 4 | 1 | 3 | |
| Armstrong | Joseph | M | Swimming | USA | 10 | 6 | 4 | |
| Aslan | Yigit | M | Swimming | TUR | 2 | 2 | 0 | |
| Assis Da Silva | Gabrielle | F | Swimming | BRA | 4 | 1 | 3 | |
| Atherton | Minna | F | Swimming | AUS | 6 | 6 | 0 | |
| Auboeck | Felix | M | Swimming | AUT | 6 | 6 | 0 | |
| Aubry | David | M | Swimming | FRA | 10 | 6 | 4 | |
| Avegno | Silvia | F | Water Polo | ITA | 4 | 3 | 1 | |
| Averka | Kanstantsin | M | Water Polo | MNE | 3 | 3 | 0 | |
| Bach | Helena Rosendahl | F | Swimming | DEN | 6 | 5 | 1 | |
| Bachelier | Mathias | M | Water Polo | FRA | 1 | 1 | 0 | |
| Bacon | Sarah | F | Diving | USA | 4 | 2 | 2 | |
| Bacon | Phoebe | F | Swimming | USA | 9 | 7 | 2 | |
| Bagshaw | Jeremy | M | Swimming | CAN | 7 | 6 | 1 | |
| Bai | Yuming | M | Diving | CHN | 11 | 11 | 0 | |
| Balduccini | Stephanie | F | Swimming | BRA | 7 | 4 | 3 | |
| Balogh | Vivien | F | Open Water | HUN | 2 | 2 | 0 | |
| Baraldi | Davide | M | Diving | ITA | 2 | 2 | 0 | |
| Barna | Andrej | M | Swimming | SRB | 8 | 6 | 2 | |
| Basic | Andrija | M | Water Polo | CRO | 2 | 1 | 1 | |
| Battu | Aurélie | F | Water Polo | FRA | 2 | 2 | 0 | |
| Bayandina | Anastasia | F | Artistic Swimming | FRA | 5 | 3 | 2 | |
| Bayandina | Daria | F | Artistic Swimming | FRA | 2 | 2 | 0 | |
| Bayer | Valentin | M | Swimming | AUT | 3 | 2 | 1 | |
| Beck | Leonie | F | Open Water | GER | 8 | 7 | 1 | |
| Beckmann | Emilie | F | Swimming | DEN | 6 | 6 | 0 | |
| Bellio | Katrina | F | Swimming | CAN | 4 | 4 | 0 | |
| Belmonte Garcia | Mireia | F | Swimming | ESP | 4 | 4 | 0 | |
| Belonogoff | Tatiana | F | Swimming | RUS | 4 | 3 | 1 | |
| Belorio | Leticia | F | Water Polo | BRA | 2 | 2 | 0 | |
| Belyaev | Kirill | M | Water Polo | RUS | 4 | 2 | 2 | |
| Benešová | Alena | F | Open Water | CZE | 6 | 3 | 3 | |
| Berbelyuk | Yegor | M | Water Polo | KAZ | 4 | 3 | 1 | |
| Berkoff | Katharine | F | Swimming | USA | 9 | 7 | 2 | |
| Berlin Reyes | Kevin | M | Diving | MEX | 4 | 2 | 2 | |
| Bernat | Laura | F | Swimming | POL | 7 | 5 | 2 | |
| Bertocchi | Elena | F | Diving | ITA | 4 | 3 | 1 | |
| Betlehem | Dávid | M | Open Water | HUN | 8 | 7 | 1 | |
| Bettini | Dafne | F | Water Polo | ITA | 2 | 1 | 1 | |
| Biagioli | Cecilia | F | Open Water | ARG | 5 | 3 | 2 | |
| Bianchi | Ilaria | F | Swimming | ITA | 8 | 7 | 1 | |
| Bianconi | Roberta | F | Water Polo | ITA | 4 | 3 | 1 | |
| Bijac | Marko | M | Water Polo | CRO | 1 | 1 | 0 | |
| Bilas | Stergios-Marios | M | Swimming | GRE | 5 | 4 | 1 | |
| Blecher | Eden | F | Artistic Swimming | ISR | 1 | 1 | 0 | |
| Blinova | Viktoriya | F | Swimming | RUS | 4 | 2 | 2 | |
| Blomsterberg | Thea | F | Swimming | DEN | 6 | 6 | 0 | |
| Bogachenko | Miriam | F | Water Polo | ISR | 1 | 1 | 0 | |
| Bogomolova | Elena | F | Swimming | RUS | 6 | 5 | 1 | |
| Bonomo | Eduardo | M | Water Polo | ARG | 1 | 1 | 0 | |
| Borodin | Ilya | M | Swimming | RUS | 10 | 6 | 4 | |
| Bottazzo | Anita | F | Swimming | ITA | 6 | 5 | 1 | |
| Bottelier | Lars | M | Open Water | NED | 5 | 5 | 0 | |
| Bouet | Alexandre | M | Water Polo | FRA | 4 | 3 | 1 | |
| Bouloukbachi | Camelia | F | Water Polo | FRA | 3 | 2 | 1 | |
| Bouyer | Jules Mateo | M | Diving | FRA | 7 | 3 | 4 | |
| Boy | Lea | F | Open Water | GER | 7 | 6 | 1 | |
| Bramont | Maria Alejandra | F | Open Water | PER | 3 | 2 | 1 | |
| Bridi | Arianna | F | Open Water | ITA | 6 | 3 | 3 | |
| Broek, Ten | Nina | F | Water Polo | NED | 2 | 2 | 0 | |
| Brouard-Ndoye | Yohann | M | Swimming | FRA | 9 | 6 | 3 | |
| Brousseau | Julie | F | Swimming | CAN | 3 | 2 | 1 | |
| Brown | Erika | F | Swimming | USA | 5 | 4 | 1 | |
| Bruni | Rachele | F | Open Water | ITA | 11 | 10 | 1 | |
| Bruni | Lorenzo | M | Water Polo | ITA | 3 | 2 | 1 | |
| Bucher | Simon | M | Swimming | AUT | 5 | 4 | 1 | |
| Bujdoso | Zsombor | M | Swimming | HUN | 3 | 2 | 1 | |
| Bukhov | Vladyslav | M | Swimming | UKR | 7 | 6 | 1 | |
| Bukic | Luka | M | Water Polo | CRO | 3 | 3 | 0 | |
| Bukina | Gulsanam | F | Artistic Swimming | UZB | 1 | 1 | 0 | |
| Burdisso | Federico | M | Swimming | ITA | 10 | 8 | 2 | |
| Burián | Katalin Mónika | F | Swimming | HUN | 6 | 5 | 1 | |
| Buric | Rino | M | Water Polo | CRO | 1 | 1 | 0 | |
| Burras | Lewis | M | Swimming | GBR | 6 | 5 | 1 | |
| Busch | Kim | F | Swimming | NED | 6 | 5 | 1 | |
| Bustos Sanchez | Alejandro | M | Water Polo | ESP | 3 | 1 | 2 | |
| Butic | Zvonimir | M | Water Polo | CRO | 2 | 2 | 0 | |
| Byrnes | Matthew | M | Water Polo | AUS | 2 | 1 | 1 | |
| Cabanas | Sergi | M | Water Polo | ESP | 2 | 1 | 1 | |
| Cagalj | Marino | M | Water Polo | CRO | 2 | 1 | 1 | |
| Cai | Bing Rong | M | Swimming | TPE | 3 | 2 | 1 | |
| Campbell | Bronte | F | Swimming | AUS | 5 | 4 | 1 | |
| Campbell | Cate | F | Swimming | AUS | 4 | 4 | 0 | |
| Canda | Maria Sol | F | Water Polo | ARG | 1 | 1 | 0 | |
| Cannella | Giacomo | M | Water Polo | ITA | 3 | 3 | 0 | |
| Caramignoli | Martina | F | Swimming | ITA | 6 | 6 | 0 | |
| Carlson | Molly | F | Diving | CAN | 3 | 2 | 1 | |
| Carraro | Martina | F | Swimming | ITA | 9 | 8 | 1 | |
| Carter | Dylan | M | Swimming | TTO | 9 | 6 | 3 | |
| Carvajal San Miguel | Ana | F | Diving | ESP | 4 | 2 | 2 | |
| Casas | Shaine | M | Swimming | USA | 11 | 8 | 3 | |
| Cassignol | Oceane | F | Open Water | FRA | 6 | 5 | 1 | |
| Cassini | Ivo | M | Open Water | ARG | 4 | 3 | 1 | |
| Castiglioni | Arianna | F | Swimming | ITA | 8 | 8 | 0 | |
| Castro Valle | César | M | Swimming | ESP | 3 | 3 | 0 | |
| Catteau | Madelon | F | Open Water | FRA | 4 | 3 | 1 | |
| Cavanna | Domiziana | F | Artistic Swimming | ITA | 3 | 3 | 0 | |
| Ceballos | Macarena | F | Swimming | ARG | 3 | 1 | 2 | |
| Ceccon | Thomas | M | Swimming | ITA | 13 | 7 | 6 | |
| Cejka | Jan | M | Swimming | CZE | 4 | 4 | 0 | |
| Cerasuolo | Simone | M | Swimming | ITA | 9 | 8 | 1 | |
| Cerruti | Linda | F | Artistic Swimming | ITA | 6 | 5 | 1 | |
| Cesarano | Antonietta | F | Swimming | ITA | 4 | 2 | 2 | |
| Chalmers | Kyle | M | Swimming | AUS | 8 | 6 | 2 | |
| Chang | Hao | F | Artistic Swimming | CHN | 9 | 9 | 0 | |
| Chang | Yani | F | Diving | CHN | 10 | 9 | 1 | |
| Chavez Munoz | Arantxa | F | Diving | MEX | 4 | 2 | 2 | |
| Chen | Juner | M | Swimming | CHN | 24 | 16 | 8 | |
| Chen | Xiao | F | Water Polo | CHN | 9 | 7 | 2 | |
| Cheng | Wen Tao | F | Artistic Swimming | CHN | 10 | 9 | 1 | |
| Cheng | Yujie | F | Swimming | CHN | 24 | 19 | 5 | |
| Cherepanov | Lev | M | Open Water | KAZ | 2 | 1 | 1 | |
| Chernysheva | Anna | F | Swimming | RUS | 5 | 4 | 1 | |
| Cheruti | Meiron | M | Swimming | ISR | 2 | 2 | 0 | |
| Cheung | Sum Yuet Cindy | F | Swimming | HKG | 2 | 2 | 0 | |
| Chierighini | Marcelo | M | Swimming | BRA | 4 | 2 | 2 | |
| Chikunova | Evgeniia | F | Swimming | RUS | 10 | 6 | 4 | |
| Chimrova | Svetlana | F | Swimming | RUS | 9 | 6 | 3 | |
| Chmielewski | Krzysztof | M | Swimming | POL | 11 | 6 | 5 | |
| Chmielewski | Michał | M | Swimming | POL | 7 | 5 | 2 | |
| Cho | Cheng-Chi | M | Open Water | TPE | 7 | 6 | 1 | |
| Christiansen | Henrik | M | Swimming | NOR | 5 | 5 | 0 | |
| Christou | Apostolos | M | Swimming | GRE | 10 | 6 | 4 | |
| Chupkov | Anton | M | Swimming | RUS | 5 | 5 | 0 | |
| Chydirioti | Ioanna | F | Water Polo | GRE | 3 | 3 | 0 | |
| Ciampi | Matteo | M | Swimming | ITA | 8 | 7 | 1 | |
| Clareburt | Lewis | M | Swimming | NZL | 6 | 6 | 0 | |
| Clark | Charlie | M | Swimming | USA | 6 | 4 | 2 | |
| Cocchiere | Agnese | F | Water Polo | ITA | 2 | 1 | 1 | |
| Codia | Piero | M | Swimming | ITA | 7 | 7 | 0 | |
| Coelho Durães | Diana Margarida | F | Swimming | POR | 4 | 4 | 0 | |
| Coelho Santos | Leonardo | M | Swimming | BRA | 5 | 4 | 1 | |
| Coetze | Pieter | M | Swimming | RSA | 8 | 6 | 2 | |
| Cohen Groumi | Gal | M | Swimming | ISR | 3 | 2 | 1 | |
| Colbert | Freya | F | Swimming | GBR | 4 | 3 | 1 | |
| Coleman | Michelle | F | Swimming | SWE | 10 | 7 | 3 | |
| Coletti | Claudia | F | Artistic Swimming | USA | 1 | 1 | 0 | |
| Comba | Carla Celeste | F | Water Polo | ARG | 1 | 1 | 0 | |
| Conceicao | Jhennifer | F | Swimming | BRA | 5 | 5 | 0 | |
| Connor | Abbey | F | Swimming | AUS | 1 | 1 | 0 | |
| Cooper | Zachary | M | Diving | USA | 2 | 2 | 0 | |
| Cooper | Isaac | M | Swimming | AUS | 7 | 4 | 3 | |
| Coquoz | Madeline | F | Diving | SUI | 2 | 2 | 0 | |
| Corbeau | Caspar James | M | Swimming | NED | 11 | 9 | 2 | |
| Corbett | Kaylene | F | Swimming | RSA | 7 | 5 | 2 | |
| Cosetti | Elisa | F | Diving | ITA | 1 | 1 | 0 | |
| Costa | Maria Fernanda | F | Swimming | BRA | 5 | 2 | 3 | |
| Costea | Bianca Andreea | F | Swimming | ROU | 4 | 4 | 0 | |
| Coutinho | Mirella | F | Water Polo | BRA | 2 | 2 | 0 | |
| Cox | Lauren | F | Swimming | GBR | 9 | 6 | 3 | |
| Crevar | Anja | F | Swimming | SRB | 7 | 5 | 2 | |
| Crevier | Axelle | F | Water Polo | CAN | 1 | 1 | 0 | |
| Crooks | Jordan | M | Swimming | CAY | 6 | 5 | 1 | |
| Cunha | Ana Marcela | F | Open Water | BRA | 11 | 8 | 3 | |
| Curry | Brooks | M | Swimming | USA | 6 | 4 | 2 | |
| Curtis | Sara | F | Swimming | ITA | 4 | 2 | 2 | |
| Curzan | Claire | F | Swimming | USA | 9 | 6 | 3 | |
| Cusinato | Ilaria | F | Swimming | ITA | 8 | 7 | 1 | |
| Czerniak | Konrad | M | Swimming | POL | 6 | 4 | 2 | |
| Da Graça Antunes Lopes | Jose Paulo | M | Swimming | POR | 2 | 1 | 1 | |
| Da Silva Santos | Gabriel | M | Swimming | BRA | 4 | 4 | 0 | |
| Damasioti | Georgia | F | Swimming | GRE | 6 | 4 | 2 | |
| Damborg | Martine | F | Swimming | DEN | 1 | 1 | 0 | |
| Damonte | Luca | M | Water Polo | ITA | 5 | 4 | 1 | |
| Daule | Audrey | F | Water Polo | FRA | 2 | 2 | 0 | |
| Dawson | Kathleen | F | Swimming | GBR | 4 | 4 | 0 | |
| De Boer | Thom | M | Swimming | NED | 5 | 5 | 0 | |
| De Deus | Leonardo | M | Swimming | BRA | 8 | 6 | 2 | |
| De Groot | Koen | M | Swimming | NED | 2 | 2 | 0 | |
| De Lara Ojeda | Miguel | M | Swimming | MEX | 5 | 1 | 4 | |
| De Memme | Martina | F | Open Water | ITA | 4 | 4 | 0 | |
| De Oliveira | Ingrid | F | Diving | BRA | 8 | 8 | 0 | |
| De Tullio | Marco | M | Swimming | ITA | 10 | 7 | 3 | |
| De Tullio | Luca | M | Swimming | ITA | 6 | 4 | 2 | |
| De Valdes Alvarez | María | F | Open Water | ESP | 7 | 4 | 3 | |
| De Waard | Maaike | F | Swimming | NED | 8 | 5 | 3 | |
| Dean | Tom | M | Swimming | GBR | 8 | 7 | 1 | |
| Deans | Caitlin | F | Swimming | NZL | 8 | 8 | 0 | |
| Dekkers | Elizabeth | F | Swimming | AUS | 6 | 5 | 1 | |
| Deleon Guerrero | Anthony Jacob Camacho | M | Swimming | NMI | 1 | 1 | 0 | |
| Delmas | Justine | F | Swimming | FRA | 3 | 2 | 1 | |
| Denigan | Mariah | F | Open Water | USA | 7 | 5 | 2 | |
| Deplano | Leonardo | M | Swimming | ITA | 8 | 7 | 1 | |
| Derevyankin | Nikita | M | Water Polo | RUS | 3 | 2 | 1 | |
| Dervisis | Georgios | M | Water Polo | GRE | 2 | 2 | 0 | |
| Desplanches | Jeremy | M | Swimming | SUI | 9 | 9 | 0 | |
| Detti | Gabriele | M | Swimming | ITA | 7 | 6 | 1 | |
| Dhalluin | Juliette | F | Water Polo | FRA | 1 | 1 | 0 | |
| Di Cola | Stefano | M | Swimming | ITA | 9 | 8 | 1 | |
| Di Liddo | Elena | F | Swimming | ITA | 3 | 3 | 0 | |
| Di Pietro | Silvia | F | Swimming | ITA | 7 | 5 | 2 | |
| Di Somma | Edoardo | M | Water Polo | ITA | 4 | 3 | 1 | |
| Diamante | Giovanna | F | Swimming | BRA | 8 | 7 | 1 | |
| Dimitrijević | Marko | M | Water Polo | SRB | 2 | 1 | 1 | |
| Diosdado Garcia | Nuria Lidon | F | Artistic Swimming | MEX | 6 | 4 | 2 | |
| Dodd | Chase | M | Water Polo | USA | 5 | 3 | 2 | |
| Dolce | Vincenzo | M | Water Polo | ITA | 3 | 2 | 1 | |
| Dolgov | Kirill | M | Open Water | RUS | 5 | 4 | 1 | |
| Dong | Zhihao | M | Swimming | CHN | 21 | 10 | 11 | |
| Dong | Wenxin | F | Water Polo | CHN | 4 | 4 | 0 | |
| Dorinov | Mikhail | M | Swimming | RUS | 6 | 4 | 2 | |
| Dos Santos | Anna Lúcia R.M | F | Diving | BRA | 2 | 1 | 1 | |
| Douglass | Katherine Cadwalleder | F | Swimming | USA | 9 | 6 | 3 | |
| Dovgalyuk | Mikhail | M | Swimming | RUS | 6 | 6 | 0 | |
| Dowgiert | Anna | F | Swimming | POL | 4 | 4 | 0 | |
| Downs | Tyler | M | Diving | USA | 3 | 2 | 1 | |
| Doyle | Bernadette | F | Water Polo | NZL | 3 | 2 | 1 | |
| Drasidou | Maria Thaleia | F | Swimming | GRE | 5 | 4 | 1 | |
| Drasovic | Radomir | M | Water Polo | SRB | 2 | 1 | 1 | |
| Dressel | Caeleb | M | Swimming | USA | 7 | 7 | 0 | |
| Du | Xinyue | F | Water Polo | CHN | 3 | 3 | 0 | |
| Duan | Yu | M | Diving | CHN | 6 | 6 | 0 | |
| Duncan | Gregory | M | Diving | USA | 2 | 2 | 0 | |
| Durdic | Bogdan | M | Water Polo | MNE | 2 | 2 | 0 | |
| Dutoit | Guillaume | M | Diving | SUI | 4 | 4 | 0 | |
| Duzevic | Antonio | M | Water Polo | CRO | 1 | 1 | 0 | |
| Echenique | Gonzalo Oscar | M | Water Polo | ITA | 2 | 1 | 1 | |
| Edwards | Blake | M | Water Polo | AUS | 2 | 2 | 0 | |
| Efimova | Yuliya | F | Swimming | RUS | 6 | 4 | 2 | |
| Egorov | Aleksandr | M | Swimming | RUS | 5 | 2 | 3 | |
| Egorova | Anna | F | Swimming | RUS | 8 | 5 | 3 | |
| Ehrhardt | Jacob Lee | M | Water Polo | USA | 2 | 2 | 0 | |
| Eichelberger Jungblut | Viviane | F | Open Water | BRA | 8 | 6 | 2 | |
| Elendt | Anna | F | Swimming | GER | 5 | 5 | 0 | |
| Elkamash | Marwan | M | Swimming | EGY | 6 | 6 | 0 | |
| Enderica | Esteban | M | Open Water | ECU | 4 | 3 | 1 | |
| Epitropov | Lyubomir | M | Swimming | BUL | 8 | 7 | 1 | |
| Ershova | Margarita | F | Swimming | RUS | 5 | 4 | 1 | |
| Ertan | Deniz | F | Swimming | TUR | 8 | 5 | 3 | |
| Espar Llaquet | Anna | F | Water Polo | ESP | 5 | 2 | 3 | |
| Fabian | Bettina | F | Open Water | HUN | 9 | 8 | 1 | |
| Fabiani | Remi Noel Claude | M | Swimming | LUX | 4 | 3 | 1 | |
| Fain | Katja | F | Swimming | SLO | 4 | 4 | 0 | |
| Fairweather | Erika Jane | F | Swimming | NZL | 7 | 6 | 1 | |
| Famera | Martin | M | Water Polo | ESP | 3 | 3 | 0 | |
| Fan | Jiayi | F | Artistic Swimming | CHN | 6 | 6 | 0 | |
| Fangio | Francesca | F | Swimming | ITA | 7 | 6 | 1 | |
| Farinango Berru | David Andres | M | Open Water | ECU | 4 | 3 | 1 | |
| Farkas | Tamas | M | Open Water | SRB | 3 | 2 | 1 | |
| Farmer | Matthew | M | Water Polo | USA | 2 | 2 | 0 | |
| Fasala | Tenealle | F | Water Polo | AUS | 2 | 2 | 0 | |
| Ferguson | Conor | M | Swimming | IRL | 1 | 1 | 0 | |
| Ferreira Goes | Julia Karla | F | Swimming | BRA | 2 | 1 | 1 | |
| Ferro | Costanza | F | Artistic Swimming | ITA | 3 | 3 | 0 | |
| Fiedina | Marta | F | Artistic Swimming | UKR | 3 | 1 | 2 | |
| Field | Megumi | F | Artistic Swimming | USA | 4 | 2 | 2 | |
| Filipets | Andrey | M | Swimming | RUS | 3 | 3 | 0 | |
| Filiz | Batuhan | M | Swimming | TUR | 4 | 4 | 0 | |
| Fink | Nicolas | M | Swimming | USA | 10 | 7 | 3 | |
| Finke | Robert | M | Swimming | USA | 16 | 10 | 6 | |
| Finlin | Emma | F | Swimming | CAN | 4 | 3 | 1 | |
| Flickinger | Hali | F | Swimming | USA | 7 | 7 | 0 | |
| Fluck | Nora | F | Swimming | HUN | 3 | 1 | 2 | |
| Fogaca De Araujo | Rafael | M | Diving | BRA | 3 | 3 | 0 | |
| Fondelli | Andrea | M | Water Polo | ITA | 4 | 3 | 1 | |
| Fontaine | Logan | M | Open Water | FRA | 11 | 9 | 2 | |
| Forca Ariza | Judith | F | Water Polo | ESP | 3 | 3 | 0 | |
| Ford | George | M | Water Polo | AUS | 2 | 2 | 0 | |
| Forrester | Jenna | F | Swimming | AUS | 4 | 3 | 1 | |
| Foster | Carson | M | Swimming | USA | 10 | 7 | 3 | |
| Foster | Jake | M | Swimming | USA | 8 | 4 | 4 | |
| Frach | Niklas | M | Open Water | GER | 7 | 6 | 1 | |
| Franceschi | Sara | F | Swimming | ITA | 11 | 8 | 3 | |
| Franta | Tomáš | M | Swimming | CZE | 4 | 4 | 0 | |
| Fratus | Bruno | M | Swimming | BRA | 5 | 5 | 0 | |
| Fuchs | Roman | M | Swimming | FRA | 2 | 2 | 0 | |
| Fujii | Moka | F | Artistic Swimming | JPN | 4 | 3 | 1 | |
| Funch Persson | Elias | M | Swimming | SWE | 4 | 3 | 1 | |
| Furlan | Matteo | M | Open Water | ITA | 6 | 6 | 0 | |
| Gabbrielleschi | Giulia | F | Open Water | ITA | 8 | 7 | 1 | |
| Galardi | Giuditta | F | Water Polo | ITA | 1 | 1 | 0 | |
| Galicz | Laszlo | M | Swimming | HUN | 5 | 5 | 0 | |
| Gálicz | Péter | M | Open Water | HUN | 5 | 5 | 0 | |
| Gallagher | Erin | F | Swimming | RSA | 6 | 3 | 3 | |
| Galossi | Lorenzo | M | Swimming | ITA | 7 | 7 | 0 | |
| Garach Benito | Carlos | M | Swimming | ESP | 10 | 6 | 4 | |
| García | Emma | F | Artistic Swimming | ESP | 3 | 3 | 0 | |
| Garcia Godoy | Maica | F | Water Polo | ESP | 5 | 3 | 2 | |
| Garcia Polo | Marina | F | Artistic Swimming | ESP | 1 | 1 | 0 | |
| Garcia Urzainqui | Marina | F | Swimming | ESP | 5 | 4 | 1 | |
| Gastaldello | Béryl | F | Swimming | FRA | 7 | 6 | 1 | |
| Gaudet | Kenneth | M | Artistic Swimming | USA | 2 | 2 | 0 | |
| Gaynullina | Renata | F | Swimming | RUS | 5 | 4 | 1 | |
| Gazzaniga | Rachel | F | Water Polo | USA | 1 | 1 | 0 | |
| Ge | Chutong | F | Swimming | CHN | 24 | 22 | 2 | |
| Genidounias | Konstantinos | M | Water Polo | GRE | 5 | 3 | 2 | |
| Georgieva | Gabriela | F | Swimming | BUL | 8 | 7 | 1 | |
| Gilbert | Joshua | M | Swimming | NZL | 1 | 1 | 0 | |
| Gilchrist | Kaleigh | F | Water Polo | USA | 4 | 3 | 1 | |
| Gilyazova | Ralina | F | Swimming | RUS | 4 | 3 | 1 | |
| Girev | Ivan | M | Swimming | RUS | 6 | 4 | 2 | |
| Giustini | Sofia | F | Water Polo | ITA | 5 | 3 | 2 | |
| Gkillas | Nikolaos | M | Water Polo | GRE | 2 | 1 | 1 | |
| Gkiouvetsis | Konstantinos | M | Water Polo | GRE | 2 | 2 | 0 | |
| Gkolomeev | Kristian | M | Swimming | GRE | 8 | 6 | 2 | |
| Godun | Nika | F | Swimming | RUS | 8 | 5 | 3 | |
| Gomes Jr | Joao Luiz | M | Swimming | BRA | 7 | 6 | 1 | |
| Gomez Hurtado | Stefania | F | Swimming | COL | 6 | 3 | 3 | |
| Gonçalves Roncatto | Gabrielle | F | Swimming | BRA | 9 | 8 | 1 | |
| Gonzalez Alvarez | Arbidel | M | Swimming | ESP | 2 | 1 | 1 | |
| Gonzalez De Oliveira | Hugo | M | Swimming | ESP | 8 | 6 | 2 | |
| Gonzalez Pereiro | Carlota | F | Diving | ESP | 1 | 1 | 0 | |
| Gorbenko | Anastasia | F | Swimming | ISR | 5 | 5 | 0 | |
| Gose | Isabel | F | Swimming | GER | 8 | 5 | 3 | |
| Govorov | Andriy | M | Swimming | UKR | 6 | 6 | 0 | |
| Grabowski | Lena | F | Swimming | AUT | 5 | 4 | 1 | |
| Gracik | Daniel | M | Swimming | CZE | 5 | 4 | 1 | |
| Granados Ortega | Alvaro | M | Water Polo | ESP | 3 | 3 | 0 | |
| Grangeon | Lara | F | Open Water | FRA | 13 | 6 | 7 | |
| Gravley | Dylan | M | Open Water | USA | 5 | 4 | 1 | |
| Greene | Darragh | M | Swimming | IRL | 4 | 4 | 0 | |
| Grimes | Kathryn | F | Swimming | USA | 12 | 6 | 6 | |
| Grinev | Vladislav | M | Swimming | RUS | 7 | 5 | 2 | |
| Grobbelaar | Luan | M | Swimming | NZL | 2 | 1 | 1 | |
| Grousset | Maxime | M | Swimming | FRA | 12 | 6 | 6 | |
| Gubecka | Chelsea | F | Open Water | AUS | 7 | 6 | 1 | |
| Guidi | Marcello | M | Open Water | ITA | 9 | 6 | 3 | |
| Guillet | Louise | F | Water Polo | FRA | 2 | 2 | 0 | |
| Guimaraes Alcara | Victor | M | Swimming | BRA | 3 | 2 | 1 | |
| Gurbanberdyeva | Maya | F | Artistic Swimming | RUS | 2 | 2 | 0 | |
| Gures | Umitcan | M | Swimming | TUR | 1 | 1 | 0 | |
| Gurisatti | Gréta | F | Water Polo | HUN | 4 | 3 | 1 | |
| Guy | James | M | Swimming | GBR | 6 | 5 | 1 | |
| Guzhenkova | Anastasia | F | Swimming | RUS | 6 | 5 | 1 | |
| Gyurinovics | Fanni | F | Swimming | HUN | 2 | 2 | 0 | |
| Hafnaoui | Ahmed Ayoub | M | Swimming | TUN | 11 | 7 | 4 | |
| Hajdu | Kata | F | Water Polo | HUN | 3 | 3 | 0 | |
| Halas | Adam | M | Swimming | SVK | 5 | 5 | 0 | |
| Halligan | Bronte | F | Water Polo | AUS | 3 | 2 | 1 | |
| Hanaguruma | Yu | M | Swimming | JPN | 6 | 6 | 0 | |
| Hanson De Almeida | Bruce | M | Open Water | BRA | 8 | 7 | 1 | |
| Hansson | Sophie | F | Swimming | SWE | 9 | 7 | 2 | |
| Hansson | Louise | F | Swimming | SWE | 7 | 4 | 3 | |
| Hany Ahmed El Mohamady | Mohamed | M | Swimming | EGY | 1 | 1 | 0 | |
| Harding | Anthony | M | Diving | GBR | 3 | 3 | 0 | |
| Hardy | Erica | F | Water Polo | FRA | 1 | 1 | 0 | |
| Harkin | Abbey | F | Swimming | AUS | 4 | 3 | 1 | |
| Harris | Meg | F | Swimming | AUS | 7 | 6 | 1 | |
| Harris | Medi | F | Swimming | GBR | 12 | 9 | 3 | |
| Harting | Zach | M | Swimming | USA | 4 | 4 | 0 | |
| Haughey | Siobhan Bernadette | F | Swimming | HKG | 17 | 9 | 8 | |
| Hayden | Kristen | F | Diving | USA | 2 | 2 | 0 | |
| Hayes | Leah | F | Swimming | USA | 7 | 6 | 1 | |
| Hearne | Trinity | F | Swimming | RSA | 1 | 1 | 0 | |
| Heatly | James | M | Diving | GBR | 2 | 2 | 0 | |
| Hedberg | Joshua | M | Diving | USA | 2 | 2 | 0 | |
| Held | Ryan | M | Swimming | USA | 6 | 4 | 2 | |
| Henique | Melanie | F | Swimming | FRA | 5 | 4 | 1 | |
| Henveaux | Lucas | M | Swimming | BEL | 5 | 3 | 2 | |
| Hercog | Jan | M | Open Water | AUT | 2 | 2 | 0 | |
| Herlem | Antoine | M | Swimming | FRA | 3 | 3 | 0 | |
| Hertzka | Orsolya Vanda | F | Water Polo | FRA | 2 | 1 | 1 | |
| Heslop | Aidan | M | Diving | GBR | 3 | 3 | 0 | |
| Hiekal | Hanna | F | Artistic Swimming | EGY | 2 | 1 | 1 | |
| Hindley | Isabella | F | Swimming | GBR | 1 | 1 | 0 | |
| Hinds | Natalie | F | Swimming | USA | 3 | 3 | 0 | |
| Ho | Ian Yentou | M | Swimming | HKG | 3 | 2 | 1 | |
| Hodges | Chelsea Mae | F | Swimming | AUS | 4 | 4 | 0 | |
| Hoevertsz | Kyra | F | Artistic Swimming | ARU | 4 | 4 | 0 | |
| Holkenborg | Silke | F | Swimming | NED | 3 | 3 | 0 | |
| Holland | Drew | M | Water Polo | USA | 3 | 2 | 1 | |
| Holló | Balázs | M | Swimming | HUN | 7 | 6 | 1 | |
| Honda | Tomoru | M | Swimming | JPN | 12 | 6 | 6 | |
| Hong | Jinquan | M | Swimming | CHN | 15 | 11 | 4 | |
| Hope | Lucy | F | Swimming | GBR | 3 | 2 | 1 | |
| Hopkin | Anna | F | Swimming | GBR | 9 | 7 | 2 | |
| Horská | Kristýna | F | Swimming | CZE | 7 | 7 | 0 | |
| Horton | Mackenzie | M | Swimming | AUS | 4 | 4 | 0 | |
| Hossam El Din Refaat | Yassin | M | Swimming | EGY | 1 | 1 | 0 | |
| Hosszu | Katinka | F | Swimming | HUN | 2 | 2 | 0 | |
| Houghton | Emmerson | F | Water Polo | NZL | 2 | 2 | 0 | |
| Houlie | Michael James | M | Swimming | RSA | 4 | 2 | 2 | |
| Hryhorivna Holub | Tamila | F | Swimming | POR | 5 | 4 | 1 | |
| Hryshko | Veronika | F | Artistic Swimming | UKR | 3 | 2 | 1 | |
| Hulkko | Ida | F | Swimming | FIN | 10 | 6 | 4 | |
| Hunt | Gary | M | Diving | FRA | 4 | 2 | 2 | |
| Huske | Torri | F | Swimming | USA | 10 | 6 | 4 | |
| Hwang | Sun Woo | M | Swimming | KOR | 12 | 6 | 6 | |
| Iffland | Rhiannan | F | Diving | AUS | 3 | 2 | 1 | |
| Imnaishvili | Revaz | M | Water Polo | GEO | 2 | 2 | 0 | |
| Inzunza Cabrera | Glenda Estefanía | F | Artistic Swimming | MEX | 3 | 3 | 0 | |
| Iocchi Gratta | Matteo | M | Water Polo | ITA | 2 | 2 | 0 | |
| Jack | Shayna | F | Swimming | AUS | 8 | 5 | 3 | |
| Jackl | Vivien | F | Swimming | HUN | 2 | 2 | 0 | |
| Jacoby | Lydia | F | Swimming | USA | 8 | 6 | 2 | |
| Jade | Gillet | F | Diving | FRA | 3 | 2 | 1 | |
| Jaillardon | Oriane | F | Artistic Swimming | FRA | 2 | 2 | 0 | |
| Jakabos | Zsuzsanna | F | Swimming | HUN | 6 | 6 | 0 | |
| Jakhaia | Khvicha | M | Water Polo | GEO | 2 | 2 | 0 | |
| Jaksic | Nikola | M | Water Polo | SRB | 1 | 1 | 0 | |
| Jandard | Alexis | M | Diving | FRA | 3 | 2 | 1 | |
| Jansen | Ella | F | Swimming | CAN | 2 | 1 | 1 | |
| January | Shakira | F | Water Polo | RSA | 2 | 2 | 0 | |
| Jaśkiewicz | Adrian | M | Swimming | POL | 5 | 2 | 3 | |
| Jeffcoat | Andrew | M | Swimming | NZL | 5 | 4 | 1 | |
| Jefimova | Eneli | F | Swimming | EST | 9 | 7 | 2 | |
| Jensen | Julie Kepp | F | Swimming | DEN | 7 | 6 | 1 | |
| Jervis | Daniel | M | Swimming | GBR | 7 | 7 | 0 | |
| Ji | Xinjie | M | Swimming | CHN | 11 | 10 | 1 | |
| Jimenez Garcia | Joana | F | Artistic Swimming | MEX | 6 | 4 | 2 | |
| Jodoin Di Maria | Sarah | F | Diving | ITA | 6 | 3 | 3 | |
| Johansson | Victor | M | Swimming | SWE | 9 | 7 | 2 | |
| Johnson | Moesha | F | Open Water | AUS | 8 | 7 | 1 | |
| Johnson | Ashleigh | F | Water Polo | USA | 5 | 4 | 1 | |
| Johnson | Ava Elizabeth | F | Water Polo | USA | 3 | 3 | 0 | |
| Joly | Damien | M | Swimming | FRA | 7 | 6 | 1 | |
| Jorge Goncalves | Maria Beatriz | F | Artistic Swimming | POR | 3 | 2 | 1 | |
| Jorunnardottir | Snaefridur | F | Swimming | ISL | 3 | 1 | 2 | |
| Jouisse | Caroline | F | Open Water | FRA | 6 | 5 | 1 | |
| Joustra | Kitty Lynn | F | Water Polo | NED | 4 | 3 | 1 | |
| Julian | Trenton | M | Swimming | USA | 10 | 6 | 4 | |
| Junevik | Sara | F | Swimming | SWE | 5 | 4 | 1 | |
| Jungblut | Cibelle | F | Open Water | BRA | 6 | 5 | 1 | |
| Juraszek | Pawel | M | Swimming | POL | 4 | 3 | 1 | |
| Kahler | Marlene | F | Swimming | AUT | 2 | 2 | 0 | |
| Kakaris | Konstantinos | M | Water Polo | GRE | 2 | 2 | 0 | |
| Kalisz | Chase | M | Swimming | USA | 11 | 7 | 4 | |
| Kalmár | Ákos | M | Swimming | HUN | 7 | 7 | 0 | |
| Kalogeropoulos | Efstathios | M | Water Polo | GRE | 2 | 2 | 0 | |
| Kameneva | Mariya | F | Swimming | RUS | 8 | 5 | 3 | |
| Kamminga | Arno | M | Swimming | NED | 13 | 7 | 6 | |
| Kapas | Boglarka | F | Swimming | HUN | 7 | 5 | 2 | |
| Karapanagiotou | Maria | F | Artistic Swimming | GRE | 1 | 1 | 0 | |
| Kawecki | Radoslaw | M | Swimming | POL | 9 | 9 | 0 | |
| Kearns | Matilda | F | Water Polo | AUS | 2 | 1 | 1 | |
| Késely | Ajna Evelin | F | Swimming | HUN | 8 | 6 | 2 | |
| Kesil | Denys | M | Swimming | UKR | 6 | 5 | 1 | |
| Keszthelyi | Rita | F | Water Polo | HUN | 4 | 4 | 0 | |
| Khalafalla | Ali | M | Swimming | EGY | 4 | 4 | 0 | |
| Khandoshka | Vasilina | F | Artistic Swimming | BLR | 3 | 3 | 0 | |
| Kharkov | Konstantin | M | Water Polo | CRO | 2 | 2 | 0 | |
| Kharlanov | Aleksandr | M | Swimming | RUS | 6 | 3 | 3 | |
| Kharun | Ilya | M | Swimming | CAN | 8 | 5 | 3 | |
| Khaylova | Aleksandra | F | Swimming | RUS | 4 | 3 | 1 | |
| Khritankova | Viktoriya | F | Water Polo | KAZ | 4 | 3 | 1 | |
| Khudyakov | Vitaliy | M | Open Water | KAZ | 4 | 4 | 0 | |
| Kibler | Drew | M | Swimming | USA | 7 | 6 | 1 | |
| Kilavuz | Mert | M | Swimming | TUR | 1 | 1 | 0 | |
| Kim | Woo Min | M | Swimming | KOR | 11 | 5 | 6 | |
| King | Lillia | F | Swimming | USA | 10 | 6 | 4 | |
| Kirpichnikova | Anastasiya | F | Open Water | FRA | 10 | 6 | 4 | |
| Kivirinta | Veera | F | Swimming | FIN | 7 | 6 | 1 | |
| Klepikova | Darya | F | Swimming | RUS | 6 | 4 | 2 | |
| Klusková | Karolína | F | Artistic Swimming | CZE | 2 | 2 | 0 | |
| Knedla | Miroslav | M | Swimming | CZE | 8 | 6 | 2 | |
| Knight-Wisdom | Yona | M | Diving | GBR | 3 | 3 | 0 | |
| Knox | Finlay Hugh | M | Swimming | CAN | 7 | 4 | 3 | |
| Kobayashi | Uta | F | Artistic Swimming | JPN | 3 | 2 | 1 | |
| Kobrich | Kristel | F | Swimming | CHI | 6 | 5 | 1 | |
| Kolesnichenko | Svetlana | F | Artistic Swimming | RUS | 3 | 2 | 1 | |
| Kolesnikov | Kliment | M | Swimming | RUS | 9 | 5 | 4 | |
| Komoroczy | Lora Fanni | F | Swimming | HUN | 7 | 6 | 1 | |
| Kordonskaia | Veronika | F | Water Polo | ISR | 2 | 2 | 0 | |
| Kornev | Egor | M | Swimming | RUS | 5 | 4 | 1 | |
| Korstanje | Nyls | M | Swimming | NED | 6 | 5 | 1 | |
| Kós | Hubert Béla | M | Swimming | HUN | 10 | 8 | 2 | |
| Kost | Nina | F | Swimming | SUI | 5 | 4 | 1 | |
| Kostin | Oleg | M | Swimming | RUS | 5 | 2 | 3 | |
| Kovacs | Benedek Bendegúz | M | Swimming | HUN | 8 | 8 | 0 | |
| Kozubek | Matěj | M | Open Water | CZE | 4 | 4 | 0 | |
| Krasnykh | Aleksandr | M | Swimming | RUS | 2 | 2 | 0 | |
| Kubova | Simona | F | Swimming | CZE | 6 | 6 | 0 | |
| Kuliashova | Anastasiya | F | Swimming | BLR | 5 | 5 | 0 | |
| Kurilkina | Aleksandra | F | Swimming | RUS | 5 | 4 | 1 | |
| Kurtseva | Yana | F | Open Water | RUS | 6 | 4 | 2 | |
| Kynigakis | Athanasios Charalampos | M | Open Water | GRE | 6 | 6 | 0 | |
| Lamayev | Maxim | M | Water Polo | KAZ | 3 | 3 | 0 | |
| Lamberti | Matteo | M | Swimming | ITA | 8 | 5 | 3 | |
| Lamberti | Michele | M | Swimming | ITA | 4 | 1 | 3 | |
| Larkin | Mitch | M | Swimming | AUS | 4 | 4 | 0 | |
| Larumbe Gonfaus | Marc | M | Water Polo | ESP | 1 | 1 | 0 | |
| Laugher | Jack | M | Diving | GBR | 6 | 5 | 1 | |
| Lazic | Franko | M | Water Polo | CRO | 1 | 1 | 0 | |
| Lazor | Annie | F | Swimming | USA | 6 | 5 | 1 | |
| Le Clos | Chad | M | Swimming | RSA | 12 | 8 | 4 | |
| Leao | Kemily | F | Water Polo | BRA | 1 | 1 | 0 | |
| Leathead | Simone | F | Diving | CAN | 1 | 1 | 0 | |
| Ledecky | Kathleen | F | Swimming | USA | 11 | 6 | 5 | |
| Lee | Kyle | M | Open Water | AUS | 6 | 6 | 0 | |
| Leiton Arrones | Paula | F | Water Polo | ESP | 4 | 3 | 1 | |
| Lesiak | Kacper | M | Diving | POL | 2 | 1 | 1 | |
| Lévai | Márton | M | Water Polo | HUN | 4 | 2 | 2 | |
| Levterov | Kaloyan | M | Swimming | BUL | 6 | 4 | 2 | |
| Li | Xiuchen | F | Artistic Swimming | CHN | 6 | 6 | 0 | |
| Li | Shixin | M | Diving | AUS | 4 | 3 | 1 | |
| Li | Bingjie | F | Swimming | CHN | 42 | 24 | 18 | |
| Li | Jiaping | F | Swimming | CHN | 14 | 10 | 4 | |
| Liendo Edwards | Joshua Ismael | M | Swimming | CAN | 7 | 5 | 2 | |
| Lisovets | Volodymyr | M | Swimming | UKR | 4 | 4 | 0 | |
| Lisunov | Sergey | M | Water Polo | RUS | 3 | 2 | 1 | |
| Litchfield | Max | M | Swimming | GBR | 7 | 7 | 0 | |
| Litchfield | Joe | M | Swimming | GBR | 2 | 2 | 0 | |
| Litherland | Jay | M | Swimming | USA | 12 | 8 | 4 | |
| Liu | Yaxin | F | Swimming | CHN | 29 | 19 | 10 | |
| Longan | Amanda | F | Water Polo | USA | 4 | 4 | 0 | |
| Lopez | Rodrigo Diego | M | Diving | MEX | 4 | 2 | 2 | |
| Łukaszewicz | Robert | M | Diving | POL | 2 | 1 | 1 | |
| Lukic | Nikola | M | Water Polo | SRB | 3 | 3 | 0 | |
| Macinnes | Keanna | F | Swimming | SCT | 3 | 2 | 1 | |
| Macino | Giorgia Lucia | F | Artistic Swimming | ITA | 1 | 1 | 0 | |
| Macneil | Margaret | F | Swimming | CAN | 11 | 7 | 4 | |
| Madi | Lwazi | M | Water Polo | RSA | 1 | 1 | 0 | |
| Magyari | Alda Manon | F | Water Polo | HUN | 3 | 3 | 0 | |
| Mahieu | Pauline | F | Swimming | FRA | 9 | 6 | 3 | |
| Mahieu | Géraldine | F | Water Polo | HUN | 3 | 3 | 0 | |
| Majerski | Jakub | M | Swimming | POL | 5 | 4 | 1 | |
| Malkogeorgou | Sofia Evaggelia | F | Artistic Swimming | GRE | 5 | 5 | 0 | |
| Mallarach Guell | Blai | M | Water Polo | ESP | 4 | 2 | 2 | |
| Maltsev | Aleksandr | M | Artistic Swimming | RUS | 3 | 2 | 1 | |
| Maltsev | Anton | M | Swimming | RUS | 6 | 4 | 2 | |
| Malyutin | Martin | M | Swimming | RUS | 9 | 6 | 3 | |
| Mamie | Lisa | F | Swimming | SUI | 6 | 4 | 2 | |
| Mammolito | Denise | F | Water Polo | USA | 3 | 3 | 0 | |
| Manaudou | Florent | M | Swimming | FRA | 9 | 5 | 4 | |
| Mandic | Dusan | M | Water Polo | SRB | 2 | 2 | 0 | |
| Marchand | Leon | M | Swimming | FRA | 12 | 8 | 4 | |
| Margalis | Melanie | F | Swimming | USA | 4 | 4 | 0 | |
| Marinic Kragic | Jerko | M | Water Polo | CRO | 3 | 3 | 0 | |
| Marion-Vernoux | Romain | M | Water Polo | FRA | 2 | 2 | 0 | |
| Markos | Dimitrios | M | Swimming | GRE | 9 | 6 | 3 | |
| Markov | Daniil | M | Swimming | RUS | 5 | 4 | 1 | |
| Markova | Anastasiya | F | Swimming | RUS | 5 | 2 | 3 | |
| Marletta | Claudia | F | Water Polo | ITA | 2 | 1 | 1 | |
| Marquart Mota | Kayky | M | Swimming | BRA | 3 | 1 | 2 | |
| Marsaglia | Lorenzo | M | Diving | ITA | 8 | 5 | 3 | |
| Märtens | Lukas | M | Swimming | GER | 8 | 6 | 2 | |
| Martinenghi | Nicolò | M | Swimming | ITA | 11 | 8 | 3 | |
| Martinez Guillen | Angela | F | Open Water | ESP | 11 | 4 | 7 | |
| Martinez Murcia | Alberto | M | Open Water | ESP | 4 | 4 | 0 | |
| Martino | Guido | M | Water Polo | ARG | 1 | 1 | 0 | |
| Martins | Francisca Soares | F | Swimming | POR | 2 | 1 | 1 | |
| Martins Da Cunha Monteiro | Ana Catarina | F | Swimming | POR | 7 | 6 | 1 | |
| Márton | Richárd | M | Swimming | HUN | 8 | 7 | 1 | |
| Martynychev | Kirill | M | Swimming | RUS | 7 | 5 | 2 | |
| Mas Pujadas | Meritxell | F | Artistic Swimming | ESP | 2 | 2 | 0 | |
| Masiuk | Ksawery | M | Swimming | POL | 9 | 5 | 4 | |
| Masse | Kylie Jacqueline | F | Swimming | CAN | 13 | 9 | 4 | |
| Mastroianni | Sofia | F | Artistic Swimming | ITA | 3 | 2 | 1 | |
| Mata Cocco | Maria Jose | F | Swimming | MEX | 8 | 6 | 2 | |
| Matsushita | Tomoyuki | M | Swimming | JPN | 3 | 1 | 2 | |
| Matteazzi | Pier Andrea | M | Swimming | ITA | 6 | 5 | 1 | |
| Mattsson | Matti | M | Swimming | FIN | 7 | 6 | 1 | |
| Maturana Ruffini | Thiago | M | Open Water | BRA | 2 | 1 | 1 | |
| Maxine | Celine Schaap | F | Water Polo | NED | 2 | 1 | 1 | |
| Mcdowall | Morgan | F | Water Polo | NZL | 1 | 1 | 0 | |
| Mcevoy | Cameron | M | Swimming | AUS | 7 | 5 | 2 | |
| Mcintosh | Summer | F | Swimming | CAN | 16 | 5 | 11 | |
| Mckay | Caeli | F | Diving | CAN | 3 | 2 | 1 | |
| Mckee | Anton Sveinn | M | Swimming | ISL | 7 | 6 | 1 | |
| Mckelvey | Hayley | F | Water Polo | CAN | 3 | 3 | 0 | |
| Mckeon | Emma | F | Swimming | AUS | 6 | 5 | 1 | |
| Mckeown | Kaylee | F | Swimming | AUS | 11 | 6 | 5 | |
| Mcsharry | Mona | F | Swimming | IRL | 8 | 5 | 3 | |
| Meder | Rebecca | F | Swimming | RSA | 8 | 6 | 2 | |
| Meecham | Chloe | F | Water Polo | RSA | 3 | 3 | 0 | |
| Megli | Filippo | M | Swimming | ITA | 7 | 6 | 1 | |
| Meilutyte | Ruta | F | Swimming | LTU | 9 | 5 | 4 | |
| Melverton | Kiah | F | Swimming | AUS | 6 | 6 | 0 | |
| Meng | Rui | M | Open Water | CHN | 7 | 6 | 1 | |
| Mestre | Alfonso | M | Swimming | VEN | 4 | 2 | 2 | |
| Mihalyvari-Farkas | Viktoria | F | Swimming | HUN | 7 | 7 | 0 | |
| Miķelsons | Kristaps | M | Swimming | LAT | 1 | 1 | 0 | |
| Mikhailova | Nina | F | Open Water | RUS | 4 | 3 | 1 | |
| Miladinov | Josif | M | Swimming | BUL | 8 | 7 | 1 | |
| Milák | Kristóf | M | Swimming | HUN | 8 | 8 | 0 | |
| Mildred | Edward | M | Swimming | GBR | 1 | 1 | 0 | |
| Milicich | Jessica | F | Water Polo | NZL | 1 | 1 | 0 | |
| Milojevic | Vuk | M | Water Polo | SRB | 2 | 1 | 1 | |
| Minakov | Andrei | M | Swimming | RUS | 7 | 5 | 2 | |
| Minamide | Taishin | M | Open Water | JPN | 7 | 6 | 1 | |
| Minisini | Giorgio | M | Artistic Swimming | ITA | 6 | 3 | 3 | |
| Miressi | Alessandro | M | Swimming | ITA | 9 | 7 | 2 | |
| Mirshina | Anastassiya | F | Water Polo | KAZ | 3 | 3 | 0 | |
| Mitsin | Petar | M | Swimming | BUL | 5 | 3 | 2 | |
| Mitsui | Airi | F | Swimming | JPN | 4 | 2 | 2 | |
| Mladenovic | Luka | M | Swimming | AUT | 3 | 3 | 0 | |
| Molnar | Dora | F | Swimming | HUN | 9 | 7 | 2 | |
| Moluh | Mary-Ambre | F | Swimming | FRA | 7 | 5 | 2 | |
| Monteiro Leme | Bruna | F | Swimming | BRA | 2 | 1 | 1 | |
| Moolhuijzen | Lola | F | Water Polo | NED | 3 | 3 | 0 | |
| Mora | Lorenzo | M | Swimming | ITA | 5 | 3 | 2 | |
| Morais Vieira | Cheila | F | Artistic Swimming | POR | 3 | 2 | 1 | |
| Morales Mendoza | Sebastian | M | Diving | COL | 4 | 3 | 1 | |
| Morgun | Ivan | M | Open Water | RUS | 5 | 3 | 2 | |
| Morini | Sofia | F | Swimming | ITA | 4 | 3 | 1 | |
| Morozov | Vladimir | M | Swimming | RUS | 3 | 3 | 0 | |
| Morris | Eva | F | Artistic Swimming | NZL | 2 | 2 | 0 | |
| Mrázková | Aneta | F | Artistic Swimming | CZE | 2 | 2 | 0 | |
| Mühlleitner | Henning | M | Swimming | GER | 6 | 5 | 1 | |
| Muller | Aurelie | F | Open Water | FRA | 7 | 6 | 1 | |
| Munarriz Egana | Alberto | M | Water Polo | ESP | 3 | 2 | 1 | |
| Muratov | Vladimir | M | Swimming | RUS | 4 | 3 | 1 | |
| Muravyeva | Darya | F | Water Polo | KAZ | 1 | 1 | 0 | |
| Murphy | Ryan Fitzgerald | M | Swimming | USA | 12 | 7 | 5 | |
| Mussin | Adilbek | M | Swimming | KAZ | 5 | 2 | 3 | |
| Myriokefalitaki | Maria | F | Water Polo | GRE | 4 | 4 | 0 | |
| Nagy | Adam | M | Water Polo | HUN | 5 | 5 | 0 | |
| Namakshtansky | Dina | F | Water Polo | ISR | 1 | 1 | 0 | |
| Nascimento De Souza Filho | Isaac | M | Diving | BRA | 10 | 8 | 2 | |
| Negus | Charlie | M | Water Polo | AUS | 1 | 1 | 0 | |
| Nelson | Elizabeth | F | Swimming | USA | 7 | 5 | 2 | |
| Német | Toni Josef | M | Water Polo | HUN | 2 | 2 | 0 | |
| Németh | Nándor | M | Swimming | HUN | 9 | 6 | 3 | |
| Neushul | Ryan | F | Water Polo | USA | 4 | 4 | 0 | |
| Nguyen | Huy Hoang | M | Swimming | VIE | 8 | 6 | 2 | |
| Nicholson | Emily | F | Water Polo | NZL | 3 | 2 | 1 | |
| Nikolaev | Andrey | M | Swimming | RUS | 5 | 4 | 1 | |
| Nikolic | Uros | M | Swimming | SRB | 1 | 1 | 0 | |
| Ninou | Eirini | F | Water Polo | GRE | 5 | 4 | 1 | |
| Niu | Guangsheng | M | Swimming | CHN | 14 | 11 | 3 | |
| Nogueira Da Costa | Joao Pedro | M | Swimming | POR | 2 | 1 | 1 | |
| Nørgaard | Alexander | M | Swimming | DEN | 5 | 5 | 0 | |
| Novikova | Anna | F | Water Polo | KAZ | 4 | 2 | 2 | |
| Ntountounaki | Anna | F | Swimming | GRE | 11 | 6 | 5 | |
| Nyiradi | Reka | F | Swimming | HUN | 3 | 2 | 1 | |
| O'Callaghan | Mollie | F | Swimming | AUS | 10 | 6 | 4 | |
| Ogretir | Berkay Omer | M | Swimming | TUR | 9 | 6 | 3 | |
| Ohashi | Yui | F | Swimming | JPN | 8 | 6 | 2 | |
| Ohkubo | Shu | M | Diving | JPN | 1 | 1 | 0 | |
| Okawa | Keigo | M | Water Polo | JPN | 2 | 2 | 0 | |
| Oktar | Sanberk Yigit | M | Swimming | TUR | 4 | 4 | 0 | |
| Olasz | Anna | F | Open Water | HUN | 8 | 8 | 0 | |
| Oleksiak | Penelope | F | Swimming | CAN | 8 | 8 | 0 | |
| Olivier | Marc-Antoine | M | Open Water | FRA | 8 | 6 | 2 | |
| Orozco Loza | Alejandra | F | Diving | MEX | 5 | 2 | 3 | |
| Osman | Farida Hisham | F | Swimming | EGY | 6 | 5 | 1 | |
| Otero Fernandez | Paula | F | Swimming | ESP | 6 | 5 | 1 | |
| Ovchinnikov | Maksym | M | Swimming | UKR | 5 | 2 | 3 | |
| Ovchynnikova | Anhelina | F | Artistic Swimming | UKR | 3 | 2 | 1 | |
| Ozhogina | Alisa | F | Artistic Swimming | ESP | 5 | 3 | 2 | |
| Pádár | Nikolett | F | Swimming | HUN | 10 | 6 | 4 | |
| Page | Advait | M | Swimming | IND | 5 | 4 | 1 | |
| Pallister | Lani | F | Swimming | AUS | 8 | 6 | 2 | |
| Palmieri | Valeria Maria Grazia | F | Water Polo | ITA | 6 | 3 | 3 | |
| Paltrinieri | Gregorio | M | Open Water | ITA | 11 | 8 | 3 | |
| Pan | Zhanle | M | Swimming | CHN | 29 | 17 | 12 | |
| Pancerevas | Daniil | M | Swimming | LTU | 2 | 2 | 0 | |
| Panziera | Margherita | F | Swimming | ITA | 8 | 7 | 1 | |
| Papanastasiou | Alexandros | M | Water Polo | GRE | 3 | 1 | 2 | |
| Papastamos | Apostolos | M | Swimming | GRE | 7 | 4 | 3 | |
| Pavillard | Luke | M | Water Polo | AUS | 2 | 1 | 1 | |
| Pavlacká | Lenka | F | Open Water | CZE | 3 | 3 | 0 | |
| Pavlov | Egor | M | Swimming | RUS | 7 | 6 | 1 | |
| Pchelintseva | Adelaida | F | Swimming | KAZ | 5 | 4 | 1 | |
| Peaty | Adam | M | Swimming | GBR | 9 | 9 | 0 | |
| Pekarski | Grigori | M | Swimming | BLR | 4 | 4 | 0 | |
| Pellacani | Chiara | F | Diving | ITA | 4 | 3 | 1 | |
| Peña Carrasco | Maria Del Pilar | F | Water Polo | ESP | 2 | 2 | 0 | |
| Peng | Xuwei | F | Swimming | CHN | 22 | 17 | 5 | |
| Pereira Da Costa | Guilherme | M | Swimming | BRA | 9 | 7 | 2 | |
| Perez Blanco | Jimena | F | Swimming | ESP | 5 | 4 | 1 | |
| Perez Vivas | Nona | F | Water Polo | ESP | 3 | 2 | 1 | |
| Peribonio | Tomas | M | Swimming | ECU | 1 | 1 | 0 | |
| Perkins | Alexandria | F | Swimming | AUS | 4 | 2 | 2 | |
| Perrone | Felipe | M | Water Polo | ESP | 3 | 3 | 0 | |
| Perse | Spela | F | Open Water | SLO | 6 | 6 | 0 | |
| Persson | Erik | M | Swimming | SWE | 4 | 4 | 0 | |
| Peters | Jacob | M | Swimming | GBR | 4 | 2 | 2 | |
| Petkova | Diana | F | Swimming | BUL | 5 | 4 | 1 | |
| Petrashov | Denis | M | Swimming | KGZ | 3 | 2 | 1 | |
| Pickrem | Sydney | F | Swimming | CAN | 7 | 4 | 3 | |
| Picozzi | Domitilla | F | Water Polo | ITA | 5 | 3 | 2 | |
| Pigree | Analia | F | Swimming | FRA | 6 | 5 | 1 | |
| Pilato | Benedetta | F | Swimming | ITA | 10 | 7 | 3 | |
| Pimentel Dizotti | Beatriz | F | Swimming | BRA | 12 | 10 | 2 | |
| Pisane | Alisée | F | Swimming | BEL | 7 | 6 | 1 | |
| Piskorska | Adela | F | Swimming | POL | 5 | 2 | 3 | |
| Pizzini | Luca | M | Swimming | ITA | 5 | 5 | 0 | |
| Planeix | Eve | F | Artistic Swimming | FRA | 4 | 4 | 0 | |
| Platanioti | Evangelia | F | Artistic Swimming | GRE | 5 | 5 | 0 | |
| Platonova | Olesia | F | Artistic Swimming | RUS | 2 | 2 | 0 | |
| Plevritou | Vassiliki | F | Water Polo | GRE | 4 | 4 | 0 | |
| Plevritou | Eleftheria | F | Water Polo | GRE | 2 | 2 | 0 | |
| Pochinok | Darya | F | Water Polo | KAZ | 3 | 2 | 1 | |
| Poggi | Guido | M | Water Polo | ARG | 1 | 1 | 0 | |
| Poggio | Federico | M | Swimming | ITA | 9 | 8 | 1 | |
| Polonsky | Ron | M | Swimming | ISR | 5 | 5 | 0 | |
| Pons Ramon | Joan | M | Swimming | ESP | 5 | 4 | 1 | |
| Ponti | Noe | M | Swimming | SUI | 12 | 7 | 5 | |
| Pop Acev | Evgenij | M | Open Water | MKD | 4 | 4 | 0 | |
| Popadic | Vlado | M | Water Polo | MNE | 2 | 2 | 0 | |
| Popovici | Constantin | M | Diving | ROU | 6 | 4 | 2 | |
| Popovici | David | M | Swimming | ROU | 10 | 7 | 3 | |
| Pou | Lisa | F | Open Water | MON | 6 | 3 | 3 | |
| Power | Nathan | M | Water Polo | AUS | 3 | 3 | 0 | |
| Pozzobon | Barbara | F | Open Water | ITA | 10 | 9 | 1 | |
| Prakash | Sajan | M | Swimming | IND | 9 | 4 | 5 | |
| Pratt | Cole | M | Swimming | CAN | 3 | 3 | 0 | |
| Preda | Catalin | M | Diving | ROU | 4 | 3 | 1 | |
| Prentice | Tara | F | Water Polo | USA | 4 | 3 | 1 | |
| Presciutti | Nicholas | M | Water Polo | ITA | 3 | 3 | 0 | |
| Priddell | Kenzie | F | Artistic Swimming | CAN | 4 | 3 | 1 | |
| Prigoda | Kirill | M | Swimming | RUS | 7 | 4 | 3 | |
| Prinsloo | Emma | F | Swimming | RSA | 5 | 4 | 1 | |
| Prisecariu | Aissia Claudia | F | Swimming | ROU | 3 | 1 | 2 | |
| Prokofyeva | Ekaterina | F | Water Polo | RUS | 3 | 2 | 1 | |
| Pronin | Daniil | M | Water Polo | RUS | 2 | 2 | 0 | |
| Proud | Benjamin | M | Swimming | GBR | 8 | 5 | 3 | |
| Pudar | Lana | F | Swimming | BIH | 12 | 8 | 4 | |
| Puggaard | Casper | M | Swimming | DEN | 2 | 1 | 1 | |
| Pujol Belmonte | Guillem | M | Open Water | ESP | 7 | 4 | 3 | |
| Puts | Jesse | M | Swimming | NED | 5 | 5 | 0 | |
| Qin | Haiyang | M | Swimming | CHN | 46 | 24 | 22 | |
| Quadarella | Simona | F | Swimming | ITA | 14 | 9 | 5 | |
| Quin | Millie Jorja | F | Water Polo | NZL | 1 | 1 | 0 | |
| Radovic | Duro | M | Water Polo | MNE | 1 | 1 | 0 | |
| Radovic | Vasilije | M | Water Polo | MNE | 1 | 1 | 0 | |
| Radulovic | Marko | M | Water Polo | SRB | 4 | 3 | 1 | |
| Rakhmanova | Madina | F | Water Polo | KAZ | 2 | 2 | 0 | |
| Ramirez | Daniella | F | Artistic Swimming | USA | 2 | 2 | 0 | |
| Raney | Jordan | F | Water Polo | USA | 5 | 4 | 1 | |
| Rapsys | Danas | M | Swimming | LTU | 9 | 9 | 0 | |
| Rasovic | Viktor | M | Water Polo | SRB | 3 | 2 | 1 | |
| Rasovic | Strahinja | M | Water Polo | SRB | 2 | 1 | 1 | |
| Rasovszky | Kristóf | M | Open Water | HUN | 9 | 7 | 2 | |
| Razmadze | Irakli | M | Water Polo | GEO | 1 | 1 | 0 | |
| Razzetti | Alberto | M | Swimming | ITA | 10 | 8 | 2 | |
| Reid | Zac Robert Gavin | M | Swimming | NZL | 3 | 3 | 0 | |
| Reitshammer | Bernhard | M | Swimming | AUT | 6 | 4 | 2 | |
| Remati | Ruby | F | Artistic Swimming | USA | 4 | 3 | 1 | |
| Ress | Justin | M | Swimming | USA | 9 | 6 | 3 | |
| Restivo | Matteo | M | Swimming | ITA | 8 | 7 | 1 | |
| Restrepo Garcia | Daniel | M | Diving | COL | 3 | 2 | 1 | |
| Revishvili | Irakli | M | Swimming | GEO | 3 | 3 | 0 | |
| Reymond | Axel | M | Open Water | FRA | 6 | 6 | 0 | |
| Ribeiro | Diogo Matos | M | Swimming | POR | 8 | 5 | 3 | |
| Richards | Matthew | M | Swimming | GBR | 8 | 6 | 2 | |
| Ridge | Amy | F | Water Polo | AUS | 5 | 5 | 0 | |
| Riordan | Erin | F | Swimming | IRL | 1 | 1 | 0 | |
| Robinson | Tobias | M | Open Water | GBR | 4 | 4 | 0 | |
| Roditi | Matan | M | Open Water | ISR | 8 | 7 | 1 | |
| Rodrigues Rebelo | Camila | F | Swimming | POR | 7 | 6 | 1 | |
| Roga | Darya | F | Water Polo | KAZ | 1 | 1 | 0 | |
| Rogge | Bente | F | Water Polo | NED | 3 | 3 | 0 | |
| Rogge | Lieke | F | Water Polo | NED | 2 | 2 | 0 | |
| Rohács | Réka | F | Open Water | HUN | 10 | 10 | 0 | |
| Roldan Munoz | Enzo | M | Open Water | FRA | 5 | 5 | 0 | |
| Roman | Chad | M | Water Polo | RSA | 1 | 1 | 0 | |
| Romanchuk | Mykhailo | M | Swimming | UKR | 6 | 5 | 1 | |
| Romano | Kristen | F | Swimming | PUR | 5 | 2 | 3 | |
| Roon, Van | Valerie | F | Swimming | NED | 6 | 5 | 1 | |
| Rosa | Mafalda | F | Open Water | POR | 9 | 8 | 1 | |
| Rosvall | Hanna | F | Swimming | SWE | 6 | 5 | 1 | |
| Ruck | Taylor | F | Swimming | CAN | 5 | 5 | 0 | |
| Ruggiero | Lucrezia | F | Artistic Swimming | ITA | 6 | 4 | 2 | |
| Ruiz | Ariadna | F | Water Polo | ESP | 1 | 1 | 0 | |
| Ruiz Barril | Elena | F | Water Polo | ESP | 2 | 1 | 1 | |
| Ruvalcaba Cruz | Hector | M | Swimming | MEX | 5 | 5 | 0 | |
| Ryan | Shane | M | Swimming | IRL | 4 | 4 | 0 | |
| Rylov | Evgeniy | M | Swimming | RUS | 9 | 6 | 3 | |
| Rzepka | Jordan | M | Diving | USA | 2 | 2 | 0 | |
| Saka | Berke | M | Swimming | TUR | 6 | 3 | 3 | |
| Sakci | Huseyin Emre | M | Swimming | TUR | 7 | 5 | 2 | |
| Salamatina | Valeriya | F | Swimming | RUS | 4 | 3 | 1 | |
| Salcutan | Tatiana | F | Swimming | MDA | 3 | 3 | 0 | |
| Salvan | Hadrien | M | Swimming | FRA | 4 | 4 | 0 | |
| Sameh | Abdelrahman | M | Swimming | EGY | 5 | 3 | 2 | |
| Samusenko | Pavel | M | Swimming | RUS | 7 | 4 | 3 | |
| Sanahuja | Bernat | M | Water Polo | ESP | 3 | 2 | 1 | |
| Sanchez | Kayla | F | Swimming | PHI | 4 | 4 | 0 | |
| Sanchez Lora | Candela | F | Open Water | ESP | 2 | 1 | 1 | |
| Santoro | Matteo | M | Diving | ITA | 5 | 4 | 1 | |
| Santos | Nicholas | M | Swimming | BRA | 1 | 1 | 0 | |
| Sanzullo | Mario | M | Open Water | ITA | 10 | 9 | 1 | |
| Saric | Jovan | M | Water Polo | GEO | 1 | 1 | 0 | |
| Sárkány | Zalán Ferenc | M | Open Water | HUN | 4 | 2 | 2 | |
| Sasover | Noa | F | Water Polo | ISR | 4 | 3 | 1 | |
| Sates | Matthew | M | Swimming | RSA | 7 | 6 | 1 | |
| Satir | Mert Ali | M | Swimming | TUR | 2 | 1 | 1 | |
| Sato | Tomoka | F | Artistic Swimming | JPN | 5 | 4 | 1 | |
| Saudadier | Remi | M | Water Polo | FRA | 3 | 3 | 0 | |
| Savard | Katerine | F | Swimming | CAN | 15 | 13 | 2 | |
| Savickas | Aleksas | M | Swimming | LTU | 2 | 1 | 1 | |
| Scalia | Silvia | F | Swimming | ITA | 3 | 3 | 0 | |
| Scheffer | Fernando | M | Swimming | BRA | 11 | 8 | 3 | |
| Schoeman | Roland | M | Swimming | RSA | 2 | 1 | 1 | |
| Schoenmaker | Tatjana | F | Swimming | RSA | 10 | 7 | 3 | |
| Schouten | Marcel | M | Open Water | NED | 5 | 5 | 0 | |
| Schouten | Tes | F | Swimming | NED | 9 | 6 | 3 | |
| Schreiber | Christian | M | Open Water | SUI | 4 | 3 | 1 | |
| Schultz | Brooke | F | Diving | USA | 1 | 1 | 0 | |
| Scott | Duncan | M | Swimming | GBR | 13 | 11 | 2 | |
| Sebestyen | Dalma | F | Swimming | HUN | 7 | 5 | 2 | |
| Seeliger | Björn | M | Swimming | SWE | 5 | 4 | 1 | |
| Seemanová | Barbora | F | Swimming | CZE | 6 | 5 | 1 | |
| Segel | Janja | F | Swimming | SLO | 5 | 5 | 0 | |
| Seleikaite | Agne | F | Swimming | LTU | 1 | 1 | 0 | |
| Semyaninov | Danil | M | Swimming | RUS | 9 | 5 | 4 | |
| Serzhantova | Alena | F | Water Polo | RUS | 3 | 2 | 1 | |
| Setin Sartori | Murilo | M | Swimming | BRA | 2 | 1 | 1 | |
| Seto | Daiya | M | Swimming | JPN | 11 | 8 | 3 | |
| Shackell | Alexandra | F | Swimming | USA | 4 | 3 | 1 | |
| Shakirova | Yana | F | Swimming | RUS | 6 | 4 | 2 | |
| Shanahan | Katie | F | Swimming | GBR | 10 | 7 | 3 | |
| Shao | Yixin | F | Water Polo | CHN | 1 | 1 | 0 | |
| Sharafutdinova | Nika | F | Swimming | UKR | 2 | 1 | 1 | |
| Shatalov | Daniil | M | Swimming | RUS | 5 | 4 | 1 | |
| Shchegolev | Aleksandr | M | Swimming | RUS | 4 | 3 | 1 | |
| Shevlyakov | Roman | M | Swimming | RUS | 5 | 3 | 2 | |
| Shkurdai | Anastasiya | F | Swimming | BLR | 5 | 4 | 1 | |
| Shonzhigitov | Sultan | M | Water Polo | KAZ | 3 | 3 | 0 | |
| Short | Samuel | M | Swimming | AUS | 7 | 5 | 2 | |
| Shortman | Kate | F | Artistic Swimming | GBR | 2 | 2 | 0 | |
| Shvaeva | Irina | F | Swimming | RUS | 4 | 3 | 1 | |
| Shymanovich | Ilya | M | Swimming | BLR | 5 | 5 | 0 | |
| Šidlauskas | Andrius | M | Swimming | LTU | 3 | 3 | 0 | |
| Silva Duarte Nascimento | Miguel | M | Swimming | POR | 6 | 3 | 3 | |
| Silva Max De Almeida | Rafael | M | Diving | BRA | 2 | 2 | 0 | |
| Simanovich | Anastasiya | F | Water Polo | RUS | 3 | 2 | 1 | |
| Simonova | Vitalina | F | Swimming | RUS | 6 | 4 | 2 | |
| Simons | Kenzo | M | Swimming | NED | 7 | 4 | 3 | |
| Simpson | Cody | M | Swimming | AUS | 4 | 3 | 1 | |
| Sims | Arabella | F | Swimming | USA | 11 | 8 | 3 | |
| Siouti | Christina | F | Water Polo | GRE | 2 | 2 | 0 | |
| Siskos | Apostolos | M | Swimming | GRE | 7 | 4 | 3 | |
| Sjostrom | Sarah | F | Swimming | SWE | 10 | 7 | 3 | |
| Skamaroshka | Ruslan | M | Swimming | BLR | 4 | 3 | 1 | |
| Skoumpakis | Dimitrios | M | Water Polo | GRE | 2 | 2 | 0 | |
| Sloman | Nicholas | M | Open Water | AUS | 11 | 7 | 4 | |
| Smith | Brendon | M | Swimming | AUS | 7 | 6 | 1 | |
| Smith | Kieran | M | Swimming | USA | 11 | 6 | 5 | |
| Smith | Leah | F | Swimming | USA | 10 | 6 | 4 | |
| Smith | Regan | F | Swimming | USA | 10 | 6 | 4 | |
| Smoliga | Olivia | F | Swimming | USA | 8 | 4 | 4 | |
| Sobrino Mizrahi | Jessica | F | Artistic Swimming | MEX | 7 | 6 | 1 | |
| Sofikitis | Vasileios | M | Swimming | GRE | 6 | 3 | 3 | |
| Sorokina | Ekaterina | F | Open Water | RUS | 7 | 4 | 3 | |
| Sorokina | Anastasia | F | Swimming | RUS | 6 | 4 | 2 | |
| Southam | Flynn | M | Swimming | AUS | 5 | 3 | 2 | |
| Souza | Felipe | M | Swimming | BRA | 1 | 1 | 0 | |
| Spanoudakis | Georgios | M | Swimming | GRE | 4 | 4 | 0 | |
| Spendolini Sirieix | Andrea | F | Diving | GBR | 4 | 3 | 1 | |
| Sportelli | Isotta | F | Artistic Swimming | ITA | 3 | 3 | 0 | |
| Stadden | Isabelle | F | Swimming | USA | 6 | 4 | 2 | |
| Stamatopoulou | Ioanna | F | Water Polo | GRE | 2 | 1 | 1 | |
| Stancu | Vlad Stefan | M | Swimming | ROU | 9 | 7 | 2 | |
| Staselovich | Viktar | M | Swimming | BLR | 8 | 7 | 1 | |
| Steenbeek | Marloes | F | Artistic Swimming | NED | 4 | 4 | 0 | |
| Steenbergen | Jildou Marrit | F | Swimming | NED | 11 | 7 | 4 | |
| Steffens | Margaret Ann | F | Water Polo | USA | 4 | 4 | 0 | |
| Stepanov | Aleksandr | M | Open Water | RUS | 10 | 5 | 5 | |
| Stephens | Laura | F | Swimming | GBR | 6 | 4 | 2 | |
| Stevens | Peter John | M | Swimming | SLO | 2 | 1 | 1 | |
| Stevenson | Benjamin | M | Water Polo | USA | 3 | 3 | 0 | |
| Stewart | Samuel | M | Swimming | USA | 3 | 3 | 0 | |
| Stjepanovic | Velimir | M | Swimming | SRB | 5 | 5 | 0 | |
| Stokowski | Kacper | M | Swimming | POL | 6 | 4 | 2 | |
| Stolbunova | Valeriya | F | Artistic Swimming | KAZ | 3 | 3 | 0 | |
| Straka | Martin | M | Open Water | CZE | 4 | 2 | 2 | |
| Strauch | Jenna | F | Swimming | AUS | 6 | 6 | 0 | |
| Strehlke Delgado | Paulo | M | Open Water | MEX | 5 | 2 | 3 | |
| Strugo | Shunit | F | Water Polo | ISR | 2 | 1 | 1 | |
| Stubblety-Cook | Izaac (Zac) | M | Swimming | AUS | 7 | 6 | 1 | |
| Stupin | Maksim | M | Swimming | RUS | 7 | 4 | 3 | |
| Suchkov | Ivan | M | Water Polo | RUS | 3 | 2 | 1 | |
| Sulev | Roman | M | Open Water | RUS | 5 | 4 | 1 | |
| Sun | Jiajun | M | Swimming | CHN | 23 | 17 | 6 | |
| Sun | Yang | M | Swimming | CHN | 10 | 10 | 0 | |
| Surkova | Arina | F | Swimming | RUS | 8 | 5 | 3 | |
| Surushkina | Darya | F | Swimming | RUS | 5 | 4 | 1 | |
| Swadling | Ruby | F | Water Polo | AUS | 1 | 1 | 0 | |
| Syoud | Jaouad | M | Swimming | ALG | 8 | 5 | 3 | |
| Szabo | Szebasztian | M | Swimming | HUN | 10 | 6 | 4 | |
| Szabó-Feltóthy | Eszter | F | Swimming | HUN | 5 | 5 | 0 | |
| Szilágyi | Dorottya | F | Water Polo | HUN | 5 | 4 | 1 | |
| Sztandera | Dominika | F | Swimming | POL | 6 | 2 | 4 | |
| Tabani | Chiara | F | Water Polo | ITA | 3 | 1 | 2 | |
| Tacyildiz | Defne | F | Swimming | TUR | 2 | 2 | 0 | |
| Taddeucci | Ginevra | F | Open Water | ITA | 9 | 7 | 2 | |
| Tahul Compte | Roger | M | Water Polo | ESP | 3 | 2 | 1 | |
| Takata | Mitsuru | M | Water Polo | JPN | 3 | 2 | 1 | |
| Takezawa | Ruka | F | Swimming | JPN | 3 | 3 | 0 | |
| Tancrel | Paige | F | Water Polo | RSA | 2 | 2 | 0 | |
| Tang | Qianting | F | Swimming | CHN | 21 | 17 | 4 | |
| Tarasevich | Grigoriy | M | Swimming | RUS | 1 | 1 | 0 | |
| Tarek Ramadan | Youssef | M | Swimming | EGY | 5 | 4 | 1 | |
| Tchorz | Alicja | F | Swimming | POL | 3 | 3 | 0 | |
| Telegdy | Ádám Tamás | M | Swimming | HUN | 6 | 5 | 1 | |
| Temnikova | Maria | F | Swimming | RUS | 3 | 3 | 0 | |
| Temple | Matthew | M | Swimming | AUS | 7 | 6 | 1 | |
| Tepper | Joey | M | Open Water | USA | 6 | 5 | 1 | |
| Teterevkova | Kotryna | F | Swimming | LTU | 10 | 6 | 4 | |
| Thomas | Eve | F | Swimming | NZL | 7 | 6 | 1 | |
| Thorpe | Isabelle | F | Artistic Swimming | GBR | 1 | 1 | 0 | |
| Throssell | Brianna | F | Swimming | AUS | 7 | 6 | 1 | |
| Tio Casas | Iris | F | Artistic Swimming | ESP | 7 | 4 | 3 | |
| Titmus | Ariarne | F | Swimming | AUS | 7 | 5 | 2 | |
| Tkachev | Aleksei | M | Swimming | RUS | 5 | 4 | 1 | |
| Tocci | Giovanni | M | Diving | ITA | 5 | 3 | 2 | |
| Tomac | Mewen | M | Swimming | FRA | 6 | 3 | 3 | |
| Toshkhujaeya | Ziyodakhon | F | Artistic Swimming | UZB | 1 | 1 | 0 | |
| Toson | Malak | F | Artistic Swimming | EGY | 1 | 1 | 0 | |
| Toulson | Lois | F | Diving | GBR | 2 | 2 | 0 | |
| Toumarkin | Yakov Yan | M | Swimming | ISR | 3 | 3 | 0 | |
| Toussaint | Kira | F | Swimming | NED | 7 | 4 | 3 | |
| Tricha | Foteini | F | Water Polo | GRE | 4 | 3 | 1 | |
| Trofimova | Daria | F | Swimming | RUS | 7 | 4 | 3 | |
| Trotsenko | Maksim | M | Swimming | RUS | 6 | 4 | 2 | |
| Tsmyh | Mikita | M | Swimming | BLR | 4 | 4 | 0 | |
| Tucker | Dane Kidger | M | Water Polo | RSA | 1 | 1 | 0 | |
| Tuncel | Merve | F | Swimming | TUR | 8 | 6 | 2 | |
| Tuncelli | Kuzey | M | Swimming | TUR | 4 | 2 | 2 | |
| Turley | Luke | M | Swimming | GBR | 7 | 6 | 1 | |
| Twichell | Ashley | F | Open Water | USA | 8 | 4 | 4 | |
| Tyler | Carson | M | Diving | USA | 2 | 2 | 0 | |
| Tyshchenko | Valeriya | F | Artistic Swimming | UKR | 4 | 3 | 1 | |
| Ukropina | Aleksa | M | Water Polo | MNE | 2 | 1 | 1 | |
| Unlu | Baturalp | M | Swimming | TUR | 4 | 3 | 1 | |
| Uribe Bermudez | Luis Felipe | M | Diving | COL | 4 | 2 | 2 | |
| Urlando | Gianluca | M | Swimming | USA | 5 | 5 | 0 | |
| Usov | Roman | M | Water Polo | RUS | 2 | 2 | 0 | |
| Ustinova | Daria | F | Swimming | RUS | 6 | 6 | 0 | |
| Ustinova | Darya S | F | Swimming | RUS | 4 | 3 | 1 | |
| Vakhitova | Veronika | F | Water Polo | RUS | 3 | 2 | 1 | |
| Vakhrusheva | Sofya | F | Open Water | RUS | 5 | 4 | 1 | |
| Valera Calat | Francisco | M | Water Polo | ESP | 1 | 1 | 0 | |
| Vallee | Mia | F | Diving | CAN | 4 | 1 | 3 | |
| Vámos | Márton György | M | Water Polo | HUN | 4 | 3 | 1 | |
| Van De Kraats | Simone | F | Water Polo | NED | 2 | 1 | 1 | |
| Van Der Sloot | Catharina | F | Water Polo | NED | 1 | 1 | 0 | |
| Van Niekerk | Lara | F | Swimming | RSA | 7 | 5 | 2 | |
| Van Nunen | Sam | F | Swimming | NED | 4 | 4 | 0 | |
| Van Rouwendaal | Sharon | F | Open Water | NED | 8 | 6 | 2 | |
| Vanhuys | Logan | M | Open Water | BEL | 9 | 6 | 3 | |
| Vanpeperstraete | Pierre-Frédéric | M | Water Polo | FRA | 5 | 3 | 2 | |
| Varga | Dénes Andor | M | Water Polo | HUN | 3 | 2 | 1 | |
| Vasilaki | Artemis | F | Swimming | GRE | 9 | 2 | 7 | |
| Vavic | Marko | M | Water Polo | USA | 3 | 3 | 0 | |
| Vazaios | Andreas | M | Swimming | GRE | 4 | 4 | 0 | |
| Vega | Natalia | F | Artistic Swimming | USA | 2 | 2 | 0 | |
| Velly | Sacha | M | Open Water | FRA | 8 | 7 | 1 | |
| Velotto | Alessandro | M | Water Polo | ITA | 2 | 2 | 0 | |
| Verani | Dario | M | Open Water | ITA | 9 | 7 | 2 | |
| Verraszto | David | M | Swimming | HUN | 9 | 7 | 2 | |
| Viacava | Giulia | F | Water Polo | ITA | 1 | 1 | 0 | |
| Villarinho | Diogo | M | Open Water | BRA | 2 | 1 | 1 | |
| Vlachopoulos | Angelos | M | Water Polo | GRE | 2 | 2 | 0 | |
| Vogel | Soma | M | Water Polo | HUN | 4 | 4 | 0 | |
| Vucurovic | Uros | M | Water Polo | MNE | 2 | 2 | 0 | |
| Vukicevic | Ante | M | Water Polo | CRO | 3 | 3 | 0 | |
| Walid Mahmoud Elsammany Hemida | Sara | F | Swimming | EGY | 1 | 1 | 0 | |
| Wallart | Jules | M | Open Water | FRA | 5 | 4 | 1 | |
| Walsh | Alex | F | Swimming | USA | 10 | 7 | 3 | |
| Walshe | Ellen | F | Swimming | IRL | 7 | 4 | 3 | |
| Wan | Letian | F | Swimming | CHN | 24 | 18 | 6 | |
| Wanderley Moreira Li | Luana | F | Diving | ARG | 1 | 1 | 0 | |
| Wang | Liuyi | F | Artistic Swimming | CHN | 13 | 11 | 2 | |
| Wang | Qianyi | F | Artistic Swimming | CHN | 13 | 11 | 2 | |
| Wang | Shun | M | Swimming | CHN | 22 | 15 | 7 | |
| Wang | Changhao | M | Swimming | CHN | 21 | 12 | 9 | |
| Wang | Xueer | F | Swimming | CHN | 17 | 10 | 7 | |
| Wang | Yichun | F | Swimming | CHN | 17 | 14 | 3 | |
| Wang | Kuan Hung | M | Swimming | TPE | 9 | 4 | 5 | |
| Wang | Shiyun | F | Water Polo | CHN | 6 | 6 | 0 | |
| Wang | Xuan | F | Water Polo | CHN | 1 | 1 | 0 | |
| Wasick | Katarzyna | F | Swimming | POL | 8 | 5 | 3 | |
| Watanabe | Taiyo | M | Water Polo | JPN | 3 | 3 | 0 | |
| Wattel | Marie | F | Swimming | FRA | 7 | 5 | 2 | |
| Weaver | Liam | M | Swimming | CAN | 1 | 1 | 0 | |
| Weiler Sastre | Carmen | F | Swimming | ESP | 5 | 4 | 1 | |
| Weinstein | Claire | F | Swimming | USA | 10 | 6 | 4 | |
| Weitzeil | Abbey | F | Swimming | USA | 7 | 4 | 3 | |
| Wellbrock | Florian | M | Open Water | GER | 10 | 8 | 2 | |
| Wellbrock | Sarah | F | Swimming | GER | 4 | 4 | 0 | |
| Weyant | Emma James | F | Swimming | USA | 6 | 6 | 0 | |
| White | Rhyan Elizabeth | F | Swimming | USA | 8 | 5 | 3 | |
| Whittle | Jacob | M | Swimming | GBR | 4 | 4 | 0 | |
| Wiekiera | Dawid | M | Swimming | POL | 4 | 3 | 1 | |
| Wiffen | Daniel | M | Swimming | IRL | 12 | 6 | 6 | |
| Wilby | James | M | Swimming | GBR | 7 | 6 | 1 | |
| Willars | Randal | M | Diving | MEX | 6 | 4 | 2 | |
| Williams | Brodie | M | Swimming | GBR | 4 | 4 | 0 | |
| Williams | Alice | F | Water Polo | AUS | 3 | 2 | 1 | |
| Williamson | Samuel James | M | Swimming | AUS | 6 | 4 | 2 | |
| Wilm | Ingrid | F | Swimming | CAN | 9 | 6 | 3 | |
| Wilson | Madison | F | Swimming | AUS | 4 | 4 | 0 | |
| Wilson | Matthew | M | Swimming | AUS | 4 | 4 | 0 | |
| Winnington | Elijah | M | Swimming | AUS | 7 | 7 | 0 | |
| Wog | Kelsey | F | Swimming | CAN | 6 | 6 | 0 | |
| Wood | Abbie | F | Swimming | GBR | 7 | 5 | 2 | |
| Woodward | Bradley | M | Swimming | AUS | 7 | 5 | 2 | |
| Worsley | Eden | F | Artistic Swimming | NZL | 2 | 2 | 0 | |
| Wright | Daryn | F | Diving | USA | 2 | 2 | 0 | |
| Wu | Qingfeng | F | Swimming | CHN | 18 | 15 | 3 | |
| Xenaki | Eleni | F | Water Polo | GRE | 4 | 2 | 2 | |
| Xu | Jiayu | M | Swimming | CHN | 26 | 16 | 10 | |
| Yan | Zibei | M | Swimming | CHN | 22 | 18 | 4 | |
| Yanchev | Yordan | M | Swimming | BUL | 4 | 3 | 1 | |
| Yang | Hao | M | Diving | CHN | 13 | 9 | 4 | |
| Yang | William Xu | M | Swimming | AUS | 4 | 4 | 0 | |
| Yang | Junxuan | F | Swimming | CHN | 27 | 21 | 6 | |
| Yang | Jaehoon | M | Swimming | KOR | 7 | 5 | 2 | |
| Ye | Shiwen | F | Swimming | CHN | 21 | 14 | 7 | |
| Yoshida | Megumu | F | Artistic Swimming | JPN | 4 | 3 | 1 | |
| Young | Katrina | F | Diving | USA | 2 | 2 | 0 | |
| Yu | Yiting | F | Swimming | CHN | 31 | 20 | 11 | |
| Yu | Liyan | F | Swimming | CHN | 19 | 14 | 5 | |
| Yurchenko | Egor | M | Swimming | RUS | 5 | 4 | 1 | |
| Zábojník | Matěj | M | Swimming | CZE | 6 | 4 | 2 | |
| Zach | Ondrej | M | Open Water | CZE | 2 | 2 | 0 | |
| Zahorovska | Anna | F | Swimming | UKR | 1 | 1 | 0 | |
| Zaitsev | Daniel | M | Swimming | EST | 4 | 4 | 0 | |
| Zalánki | Gergő | M | Water Polo | HUN | 4 | 3 | 1 | |
| Zamorano Sanz | Africa | F | Swimming | ESP | 4 | 3 | 1 | |
| Zapata Correa | Daniela | F | Diving | COL | 3 | 1 | 2 | |
| Zavaros | Mabel | F | Swimming | CAN | 4 | 4 | 0 | |
| Zazzeri | Lorenzo | M | Swimming | ITA | 7 | 7 | 0 | |
| Zeqiri | Eda | F | Swimming | KOS | 4 | 4 | 0 | |
| Zhai | Ying | F | Water Polo | CHN | 6 | 6 | 0 | |
| Zhang | Yayi | F | Artistic Swimming | CHN | 10 | 9 | 1 | |
| Zhang | Yiyao | F | Artistic Swimming | CHN | 1 | 1 | 0 | |
| Zhang | Ziyang | M | Open Water | CHN | 20 | 12 | 8 | |
| Zhang | Yufei | F | Swimming | CHN | 43 | 27 | 16 | |
| Zheltiakov | Oleksandr | M | Swimming | UKR | 6 | 5 | 1 | |
| Zhigalov | Aleksandr | M | Swimming | RUS | 1 | 1 | 0 | |
| Zhikharev | Petr | M | Swimming | RUS | 6 | 4 | 2 | |
| Zhilkin | Andrey | M | Swimming | RUS | 3 | 1 | 2 | |
| Zhu | Menghui | F | Swimming | CHN | 10 | 9 | 1 | |
| Zhu | Jiaming | F | Swimming | CHN | 9 | 8 | 1 | |
| Zirk | Kregor | M | Swimming | EST | 11 | 8 | 3 | |
| Zivanovic | Uros | M | Swimming | SRB | 2 | 2 | 0 | |
| Zivkovic | Duje | M | Water Polo | FRA | 2 | 1 | 1 | |
| Zmushka | Alina | F | Swimming | BLR | 7 | 5 | 2 | |
| Zsombor-Murray | Nathan | M | Diving | CAN | 2 | 1 | 1 | |
| Zuev | Nikolay | M | Swimming | RUS | 2 | 2 | 0 | |
| Zuvela | Marko | M | Water Polo | CRO | 2 | 2 | 0 |
Notes: The data provided is based on information available to World Aquatics in ADAMS as of 4 February 2025, according to the test records accessible to World Aquatics in ADAMS.
Definitions:
Total Tests
This figure includes any successful test attempt in 2023. Therefore, including both out of competition testing and in competition testing, plus testing conducted by other anti-doping organisations (ADO).
OOC Tests
This figure includes any successful out of competition test attempts conducted in 2023 by any ADO
IC Tests
This figure includes any successful in competition test attempts conducted in 2023 by any ADO.
