Competitors for 1998 Swim World Cup
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Jakob Andersen |  DEN |
SWI | 1977 |
| Brigitte Becue |  BEL |
SWI | 18 September 1972 |
| Davide Bicchierini |  ITA |
SWI | 1975 |
| Helen Billington |  GBR |
SWI | 18 July 1976 |
| Svitlana Bondarenko |  CIS URS UKR |
SWI | 12 August 1971 |
| Gustavo Borges |  BRA |
SWI | 2 December 1972 |
| Ingrid Bourre |  FRA |
SWI | 1976 |
| Ralf Braun |  GDR GER |
SWI | 24 January 1973 |
| Carrie Burgoyne |  CAN |
SWI | 12 December 1981 |
| Antje Buschschulte | GER |
SWI | 27 December 1978 |
| Daniel Carlsson |  SWE |
SWI | 14 November 1976 |
| Jacob Carstensen | DEN |
SWI | 10 September 1978 |
| Sarah Collings |  ENG GBR |
SWI | 1978 |
| Kaori Dekura |  JPN |
SWI | 1980 |
| Helen Denman |  AUS |
SWI | 4 September 1976 |
| Ola Fagerstrand | SWE |
SWI | 1977 |
| Domenico Fioravanti | ITA |
SWI | 31 May 1977 |
| Darius Grigalionis |  LTU |
SWI | 21 April 1977 |
| Brooke Hanson | AUS |
SWI | 18 March 1978 |
| Ilona Hlaváčková |  CZE |
SWI | 15 March 1977 |
| Yvetta Hlaváčová | CZE TCH |
OWS/SWI | 26 May 1975 |
| Jörg Hoffmann | GDR GER |
SWI | 29 January 1970 |
| Aliaksandr Hukau |  BLR |
SWI | 18 March 1972 |
| Patrik Isaksson | SWE |
SWI | 5 April 1973 |
| Junko Isoda | JPN |
SWI | 11 March 1981 |
| Mette Jacobsen | DEN |
SWI | 24 March 1973 |
| Michael Jacobsson | SWE |
SWI | 1979 |
| Katrin Jäke | GDR GER |
SWI | 1973 |
| Louise Jöhncke | SWE |
SWI | 31 July 1976 |
| Ihar Kaliada | BLR |
SWI | 16 October 1978 |
| Dzmitry Kalinovski | BLR |
SWI | 24 February 1972 |
| Anna-Karin Kammerling | SWE |
SWI | 19 October 1980 |
| Tomislav Karlo |  CRO |
SWI | 21 December 1970 |
| Christian Keller | GER |
SWI | 3 August 1972 |
| Tatsuya Kinugasa | JPN |
SWI | 8 October 1974 |
| Yana Klochkova | UKR |
SWI | 7 August 1982 |
| Anu Koivisto |  FIN |
SWI | 9 May 1980 |
| Jens Kruppa | GER |
SWI | 3 June 1976 |
| Magdalena Latos |  POL |
SWI | |
| Fredrik Letzler | SWE |
SWI | 17 February 1972 |
| Gavin Meadows | ENG GBR |
SWI | 8 September 1977 |
| Katrin Meißner | GDR GER |
SWI | 17 January 1973 |
| Miloš Milošević | CRO YUG |
SWI | 10 May 1972 |
| John Miranda |  USA |
SWI | |
| Ryan Mitchell | AUS |
SWI | 24 April 1977 |
| Katsuhiro Morita | JPN |
SWI | |
| Lori Munz | AUS |
SWI | 7 February 1979 |
| Curtis Myden | CAN |
SWI | 31 December 1973 |
| Susie O'Neill | AUS |
SWI | 2 August 1973 |
| Claudia Poll |  CRC |
SWI | 21 December 1972 |
| Phil Rogers | AUS |
SWI | 24 April 1971 |
| Rogério Romero | BRA |
SWI | 22 November 1969 |
| Aleh Rukhlevich | BLR |
SWI | 2 July 1974 |
| Thomas Rupprath | GER |
SWI | 16 March 1977 |
| Yoshiko Saito | JPN |
SWI | |
| Johanna Sjöberg | SWE |
SWI | 8 March 1978 |
| Tara Sloan | CAN |
SWI | 1979 |
| Hisayoshi Tanaka | JPN |
SWI | 13 February 1979 |
| Stev Theloke | GER |
SWI | 18 January 1978 |
| Johan Wallberg | SWE |
SWI | 18 March 1977 |
| Lotta Wänberg | SWE |
SWI | 18 February 1979 |
| Aaron Wiles | GBR |
SWI | 1980 |