Competitors for 2012 Swim World Cup
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Therèse Alshammar |  SWE |
SWI | 26 August 1977 |
| Špela Bohinc |  SLO |
SWI | 6 November 1995 |
| George Bovell |  TTO |
SWI | 18 July 1983 |
| David Brandl |  AUT |
OWS/SWI | 19 April 1987 |
| Cameron van der Burgh |  RSA |
SWI | 25 May 1988 |
| Chan Kin Lok |  HKG |
SWI | 7 March 1994 |
| Michelle Coleman | SWE |
SWI | 31 October 1993 |
| László Cseh, Jr. |  HUN |
SWI | 3 December 1985 |
| Tommaso D'Orsogna |  AUS |
SWI | 29 December 1990 |
| Inge Dekker |  NED |
SWI | 18 August 1985 |
| Ash Delaney | AUS |
SWI | 11 April 1986 |
| Stanislav Donets |  RUS |
SWI | 7 July 1983 |
| Jason Dunford |  KEN |
SWI | 28 November 1986 |
| Hanna Dzerkal |  UKR |
SWI | 18 August 1987 |
| Anthony Ervin |  USA |
SWI | 26 May 1981 |
| Serhiy Frolov | UKR |
OWS/SWI | 14 April 1992 |
| Rachel Goh | AUS |
SWI | 14 April 1986 |
| Kosuke Hagino |  JPN |
SWI | 15 August 1994 |
| Katinka Hosszú | HUN |
SWI | 3 May 1989 |
| Joline Höstman | SWE |
SWI | 24 September 1988 |
| Andriy Hovorov | UKR |
SWI | 10 April 1992 |
| Huang Chaosheng |  CHN |
SWI | 29 March 1994 |
| Robert Hurley | AUS |
SWI | 26 September 1988 |
| Noriko Inada | JPN |
SWI | 27 July 1978 |
| Melissa Ingram |  NZL |
SWI | 24 June 1985 |
| Zsu Jakabos | HUN |
SWI | 3 April 1989 |
| Jennie Johansson | SWE |
SWI | 15 June 1988 |
| Fumiko Kawanabe | JPN |
SWI | 29 August 1984 |
| Radosław Kawęcki |  POL |
SWI | 16 August 1991 |
| Gergő Kis | HUN |
SWI | 19 January 1988 |
| Marco Koch |  GER |
SWI | 25 January 1990 |
| Yevgeny Korotyshkin | RUS |
SWI | 30 April 1983 |
| Chad le Clos | RSA |
SWI | 12 April 1992 |
| Sean Mahoney | USA |
SWI | 12 August 1988 |
| Kathryn Meaklim | RSA |
SWI | 20 July 1989 |
| Helge Meeuw | GER |
SWI | 29 August 1984 |
| Jenny Mensing | GER |
SWI | 26 February 1986 |
| Derick Ng | HKG |
SWI | 18 May 1994 |
| Kyle Richardson | AUS |
SWI | 13 May 1987 |
| Roland Schoeman | RSA |
SWI | 3 July 1980 |
| Daiya Seto | JPN |
SWI | 24 May 1994 |
| Tom Shields | USA |
SWI | 11 July 1991 |
| Tanja Šmid | SLO |
SWI | 29 April 1990 |
| Glenn Snyders | NZL |
SWI | 7 April 1987 |
| Britta Steffen | GER |
SWI | 16 November 1983 |
| Velimir Stjepanović |  SRB |
SWI | 7 August 1993 |
| Rosanna Sze | HKG |
SWI | 5 March 1988 |
| Krisztián Takács | HUN |
SWI | 30 December 1985 |
| Kenneth To | AUS HKG |
SWI | 7 July 1992 |
| Darian Townsend | RSA USA |
SWI | 28 August 1984 |
| Wang Kecheng | CHN |
SWI | 6 October 1996 |
| Kazuki Watanabe | JPN |
SWI | 12 January 1987 |
| David Wong | HKG |
SWI | 28 January 1999 |
| Daryna Zevina | UKR |
SWI | 1 September 1994 |
| Giulio Zorzi | RSA |
SWI | 3 January 1989 |