Competitors for 1991 Swim World Cup
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Brooke Ayre |  AUS |
SWI | |
| Karin Brienesse |  NED |
SWI | 17 July 1969 |
| Ian Brown | AUS |
SWI | 14 August 1965 |
| Inge de Bruijn | NED |
SWI | 24 August 1973 |
| Mandy Bude |  GDR GER |
SWI | |
| Sandra Cam |  BEL |
SWI | 30 June 1972 |
| Ramón Camallonga |  ESP |
SWI | 1 December 1968 |
| Beatrice Coadă-Cășlaru |  ROU |
SWI | 20 August 1975 |
| Manuela Dalla Valle |  ITA |
SWI | 20 January 1963 |
| Joanne Deakins |  ENG GBR |
SWI | 20 November 1972 |
| Ron Dekker | NED |
SWI | 30 June 1966 |
| Franck Esposito |  FRA |
SWI | 13 April 1971 |
| Joaquín Fernández | ESP |
SWI | 22 January 1971 |
| Mike Fibbens | ENG GBR |
SWI | 31 May 1968 |
| Marcel Gery |  CAN TCH |
SWI | 15 March 1965 |
| Christian Geßner | GDR GER |
SWI | 16 June 1968 |
| Silko Günzel | GDR GER |
SWI | 2 June 1971 |
| Bruno Gutzeit | FRA |
SWI | 2 March 1966 |
| Jana Henke | GDR GER |
SWI | 1 October 1973 |
| Josef Hladky | TCH GER |
SWI | 18 June 1962 |
| Jörg Hoffmann | GDR GER |
SWI | 29 January 1970 |
| Frank Hoffmeister | GER |
SWI | 9 October 1965 |
| Simone Hollemann | GER |
SWI | |
| Daniela Hunger | GDR GER |
SWI | 20 March 1972 |
| Peggy Jähnichen-Hartung | GDR GER |
SWI | 1969 |
| Louise Karlsson |  SWE |
SWI | 26 April 1974 |
| Antti Kasvio |  FIN |
SWI | 20 December 1973 |
| Christian Keller | GER |
SWI | 3 August 1972 |
| Kerstin Kielgaß | GDR GER |
SWI | 6 December 1969 |
| Sebastián Lasave |  ARG |
SWI | 10 June 1971 |
| Marianne Limpert | CAN |
SWI | 10 October 1972 |
| Richard Maden | ENG GBR |
SWI | 21 September 1972 |
| Julie Majer | AUS |
SWI | 2 June 1975 |
| Curtis Myden | CAN |
SWI | 31 December 1973 |
| Simone Osygus | GER |
SWI | 30 September 1968 |
| Alicja Pęczak |  POL |
SWI | 13 January 1970 |
| Stefan Pfeiffer | GER |
SWI | 15 November 1965 |
| Tom Ponting | CAN |
SWI | 28 January 1965 |
| Aleksandr Popov |  CIS RUS URS |
SWI | 16 November 1971 |
| Francesco Postiglione | ITA |
SWI/WAP | 29 April 1972 |
| Kathy Read | ENG GBR |
SWI | 30 June 1969 |
| Nils Rudolph | GDR GER |
SWI | 18 August 1965 |
| Rocío Ruiz | ESP |
SWI | 26 November 1971 |
| Luca Sacchi | ITA |
SWI | 10 January 1968 |
| Carlos Sánchez | ESP |
SWI | 1969 |
| Susanne Schuster | GER |
SWI | 9 May 1963 |
| Vladimir Selkov | CIS RUS URS |
SWI | 1 April 1971 |
| Alison Sheppard | GBR SCO |
SWI | 5 November 1972 |
| Christiane Sievert | GDR GER |
SWI | 1972 |
| Jani Sievinen | FIN |
SWI | 31 March 1974 |
| Cristina Sossi | ITA |
SWI | 21 May 1971 |
| Nancy Sweetnam | CAN |
SWI | 14 August 1973 |
| Ewa Synowska | POL |
SWI | 19 August 1974 |
| Mark Tewksbury | CAN |
SWI | 7 February 1968 |
| Christian Tröger | GER |
SWI | 6 October 1969 |
| Pascale Verbauwen | BEL |
SWI | 10 April 1963 |
| Sandra Völker | GER |
SWI | 1 April 1974 |
| Dmitry Volkov | RUS URS |
SWI | 30 March 1966 |
| Yelena Volkova | CIS URS |
SWI | 27 May 1968 |
| Darren Ward | CAN |
SWI | 2 December 1968 |
| Tino Weber | GDR GER |
SWI | 12 February 1970 |
| Sebastian Wiese | GDR GER |
OWS/SWI | 12 January 1972 |
| Zhuang Yong |  CHN |
SWI | 10 August 1972 |
| Marion Zoller | GER |
SWI | 8 January 1968 |