Competitors for 2012 Swim World Cup
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Yannick Agnel |  FRA |
SWI | 9 June 1992 |
| Sophie Allen |  GBR |
SWI | 21 March 1992 |
| Robin Backhaus |  GER |
SWI | 15 June 1989 |
| Arianna Barbieri |  ITA |
SWI | 23 February 1989 |
| Henrique Barbosa |  BRA |
SWI | 5 July 1984 |
| Ilaria Bianchi | ITA |
SWI | 6 January 1990 |
| Paul Biedermann | GER |
SWI | 7 August 1986 |
| Pernille Blume |  DEN |
SWI | 14 May 1994 |
| Charlotte Bonnet | FRA |
SWI | 14 February 1995 |
| George Bovell |  TTO |
SWI | 18 July 1983 |
| David Brandl |  AUT |
OWS/SWI | 19 April 1987 |
| Jessica Bruin | BRA |
SWI | 1 August 1991 |
| Chen Shiming |  CHN |
SWI | 14 March 1997 |
| László Cseh, Jr. |  HUN |
SWI | 3 December 1985 |
| Tommaso D'Orsogna |  AUS |
SWI | 29 December 1990 |
| Søren Dahl | DEN |
SWI | 15 July 1993 |
| Steffen Deibler | GER |
SWI | 10 July 1987 |
| Inge Dekker |  NED |
SWI | 18 August 1985 |
| Ash Delaney | AUS |
SWI | 11 April 1986 |
| Stanislav Donets |  RUS |
SWI | 7 July 1983 |
| Luca Dotto | ITA |
SWI | 18 April 1990 |
| Anthony Ervin |  USA |
SWI | 26 May 1981 |
| Lotte Friis | DEN |
SWI | 9 February 1988 |
| Rachel Goh | AUS |
SWI | 14 April 1986 |
| Gu Biaorong | CHN |
SWI | 23 August 1988 |
| Guilherme Guido | BRA |
SWI | 12 February 1987 |
| Louise Hansson |  SWE |
SWI | 24 November 1996 |
| Jessica Hardy | USA |
SWI | 12 March 1987 |
| Katinka Hosszú | HUN |
SWI | 3 May 1989 |
| Margarethe Hummel | GER |
SWI | 5 November 1997 |
| Robert Hurley | AUS |
SWI | 26 September 1988 |
| Melissa Ingram |  NZL |
SWI | 24 June 1985 |
| Zsu Jakabos | HUN |
SWI | 3 April 1989 |
| Kathryn Johnstone | GBR |
SWI | 29 April 1990 |
| Kaitlyn Jones | USA |
SWI | 12 October 1994 |
| Rie Kaneto |  JPN |
SWI | 8 September 1988 |
| Marco Koch | GER |
SWI | 25 January 1990 |
| Yevgeny Korotyshkin | RUS |
SWI | 30 April 1983 |
| Fanny Lecluyse |  BEL |
SWI | 11 March 1992 |
| Celina Li | USA |
SWI | 25 July 1995 |
| Liu Xuewu | CHN |
SWI | 7 March 1996 |
| Sean Mahoney | USA |
SWI | 12 August 1988 |
| Becca Mann | USA |
OWS/SWI | 26 November 1997 |
| Hayate Matsubara | JPN |
SWI | 9 December 1991 |
| Jenny Mensing | GER |
SWI | 26 February 1986 |
| Theresa Michalak | GER |
SWI | 7 May 1992 |
| Fabíola Molina | BRA |
SWI | 22 May 1975 |
| Jessica Morrison | AUS |
SWI | 18 May 1992 |
| Mio Motegi | JPN |
SWI | 21 March 1994 |
| Camille Muffat | FRA |
SWI | 28 October 1989 |
| Richard Nagy |  SVK |
SWI | 9 March 1993 |
| Daynara de Paula | BRA |
SWI | 25 July 1989 |
| Kelly Riber Rasmussen | DEN |
SWI | 28 January 1994 |
| André Santos | BRA |
SWI | 6 May 1983 |
| Mateusz Sawrymowicz |  POL |
OWS/SWI | 22 April 1987 |
| Fabio Scozzoli | ITA |
SWI | 3 August 1988 |
| Daiya Seto | JPN |
SWI | 24 May 1994 |
| Tom Shields | USA |
SWI | 11 July 1991 |
| Yuki Shirai | JPN |
SWI | 17 October 1989 |
| Daniel Skaaning | DEN |
SWI | 22 June 1993 |
| Nikolay Skvortsov | RUS |
SWI | 28 March 1984 |
| Leah Smith | USA |
SWI | 19 April 1995 |
| Glenn Snyders | NZL |
SWI | 7 April 1987 |
| Britta Steffen | GER |
SWI | 16 November 1983 |
| Erik Steinhagen | GER |
SWI | 11 October 1989 |
| Kylie Stewart | USA |
SWI | 27 March 1996 |
| Matt Targett | AUS |
SWI | 24 December 1985 |
| Kenneth To | AUS HKG |
SWI | 7 July 1992 |
| Darian Townsend |  RSA USA |
SWI | 28 August 1984 |
| Dávid Verrasztó | HUN |
SWI | 22 August 1988 |
| Diogo Yabe | BRA |
SWI | 8 August 1980 |
| Zheng Rongrong | CHN |
SWI | 5 January 1991 |