Competitors for 1998 Swim World Cup
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| David Abrard |  FRA |
SWI | 27 November 1976 |
| Serkan Atasay |  TUR UKR |
SWI | 11 March 1970 |
| Brigitte Becue |  BEL |
SWI | 18 September 1972 |
| Marco Bellino |  ITA |
SWI | 3 February 1980 |
| Johann Le Bihan | FRA |
SWI | 10 March 1979 |
| Gustavo Borges |  BRA |
SWI | 2 December 1972 |
| Ingrid Bourre | FRA |
SWI | 1976 |
| Ralf Braun |  GDR GER |
SWI | 24 January 1973 |
| Emiliano Brembilla | ITA |
SWI | 21 December 1978 |
| Inge de Bruijn |  NED |
SWI | 24 August 1973 |
| Antje Buschschulte | GER |
SWI | 27 December 1978 |
| Daniel Carlsson |  SWE |
SWI | 14 November 1976 |
| Jacob Carstensen |  DEN |
SWI | 10 September 1978 |
| Karine Chevrier |  CAN |
SWI | 1977 |
| Nadège Cliton | FRA |
SWI | 18 June 1978 |
| Maryline Coumin | FRA |
SWI | |
| Jessica Deglau | CAN |
SWI | 27 May 1980 |
| Dominique Diezi |  SUI |
SWI | 14 July 1977 |
| Mike Fibbens |  ENG GBR |
SWI | 31 May 1968 |
| Domenico Fioravanti | ITA |
SWI | 31 May 1977 |
| Chris Fydler |  AUS |
SWI | 8 November 1972 |
| Carla Geurts | NED |
OWS/SWI | 20 April 1971 |
| Darius Grigalionis |  LTU |
SWI | 21 April 1977 |
| Han Xue |  CHN |
SWI | 21 September 1981 |
| Nicole Hetzer | GER |
SWI | 18 February 1979 |
| James Hickman | ENG GBR |
SWI | 2 February 1976 |
| Jörg Hoffmann | GDR GER |
SWI | 29 January 1970 |
| Pieter van den Hoogenband | NED |
SWI | 14 March 1978 |
| Hu Xiaowen | CHN |
SWI | 26 February 1998 |
| Claire Huddart | ENG GBR |
SWI | 22 December 1971 |
| Aliaksandr Hukau |  BLR |
SWI | 18 March 1972 |
| Patrik Isaksson | SWE |
SWI | 5 April 1973 |
| Mette Jacobsen | DEN |
SWI | 24 March 1973 |
| Katrin Jäke | GDR GER |
SWI | 1973 |
| Ditte Jensen | DEN |
SWI | 25 October 1980 |
| Mark Johnston | CAN |
SWI | 31 August 1979 |
| Ihar Kaliada | BLR |
SWI | 16 October 1978 |
| Hanna Kapachenia | BLR |
SWI | 22 April 1980 |
| Tomislav Karlo |  CRO |
SWI | 21 December 1970 |
| Alenka Kejžar |  SLO |
SWI | 15 February 1979 |
| Christian Keller | GER |
SWI | 3 August 1972 |
| Michael Klim | AUS |
SWI | 13 August 1977 |
| Andrey Korneyev |  CIS RUS URS |
SWI | 10 January 1974 |
| Miroslav Machovič |  SVK |
SWI | 21 March 1976 |
| Katsuhiro Morita |  JPN |
SWI | |
| Curtis Myden | CAN |
SWI | 31 December 1973 |
| Stéphan Perrot | FRA |
SWI | 19 June 1977 |
| Claudia Poll |  CRC |
SWI | 21 December 1972 |
| Aleksandr Popov | CIS RUS URS |
SWI | 16 November 1971 |
| Garret Pulle | CAN |
SWI | 1978 |
| Sue Rolph | ENG GBR |
SWI | 15 May 1978 |
| Sarah Ryan | AUS |
SWI | 20 February 1977 |
| Andrea Schwartz | CAN |
SWI | 12 June 1977 |
| Sophia Skou | DEN |
SWI | 1 December 1975 |
| Tara Sloan | CAN |
SWI | 1979 |
| Metka Sparavec | SLO |
SWI | 9 December 1978 |
| Kelly Stefanyshyn | CAN |
SWI | 6 July 1982 |
| Hisayoshi Tanaka | JPN |
SWI | 13 February 1979 |
| Lauren Van Oosten | CAN |
SWI | 17 November 1978 |
| Lorenzo Vismara | ITA |
SWI | 10 August 1975 |
| Kirsten Vlieghuis | NED |
SWI | 17 May 1976 |
| Sandra Völker | GER |
SWI | 1 April 1974 |
| Mark Warnecke | GER |
SWI | 15 February 1970 |
| Matt Welsh | AUS |
SWI | 18 November 1976 |
| Ian Wilson | ENG GBR |
SWI | 19 December 1970 |
| Marcel Wouda | NED |
SWI | 23 January 1972 |