Competitors for 1998 Swim World Cup
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Stefan Aartsen |  NED |
SWI | 13 March 1975 |
| Desirée Beckers |  GER |
SWI | 1980 |
| Helen Billington |  GBR |
SWI | 18 July 1976 |
| Ralf Braun |  GDR GER |
SWI | 24 January 1973 |
| Emiliano Brembilla |  ITA |
SWI | 21 December 1978 |
| Chris-Carol Bremer | GER |
SWI | 5 January 1971 |
| Inge de Bruijn | NED |
SWI | 24 August 1973 |
| Antje Buschschulte | GER |
SWI | 27 December 1978 |
| Karine Chevrier |  CAN |
SWI | 1977 |
| Jessica Deglau | CAN |
SWI | 27 May 1980 |
| Helen Denman |  AUS |
SWI | 4 September 1976 |
| Matt Dunn | AUS |
SWI | 2 September 1973 |
| Kristy Ellem | AUS |
SWI | 1981 |
| Jochen Fischer | GER |
SWI | |
| Chris Fydler | AUS |
SWI | 8 November 1972 |
| Carla Geurts | NED |
OWS/SWI | 20 April 1971 |
| Denis Grishin |  CIS RUS URS |
SWI | 1974 |
| Sebastian Halgasch | GER |
SWI | 20 December 1980 |
| Han Xue |  CHN |
SWI | 21 September 1981 |
| Brooke Hanson | AUS |
SWI | 18 March 1978 |
| Nicole Hetzer | GER |
SWI | 18 February 1979 |
| Jörg Hoffmann | GDR GER |
SWI | 29 January 1970 |
| Hu Xiaowen | CHN |
SWI | 26 February 1998 |
| Aliaksandr Hukau |  BLR |
SWI | 18 March 1972 |
| Junko Isoda |  JPN |
SWI | 11 March 1981 |
| Katrin Jäke | GDR GER |
SWI | 1973 |
| Ihar Kaliada | BLR |
SWI | 16 October 1978 |
| Dzmitry Kalinovski | BLR |
SWI | 24 February 1972 |
| Hanna Kapachenia | BLR |
SWI | 22 April 1980 |
| Christian Keller | GER |
SWI | 3 August 1972 |
| Michael Klim | AUS |
SWI | 13 August 1977 |
| Yana Klochkova |  UKR |
SWI | 7 August 1982 |
| Andrey Korneyev | CIS RUS URS |
SWI | 10 January 1974 |
| Dmytro Krayevskiy | UKR |
SWI | 1972 |
| Jirka Letzin | GDR GER |
SWI | 8 February 1971 |
| Thomas Lohfink | GER |
SWI | 4 July 1978 |
| Alexander Lüderitz | GER |
SWI | 6 August 1973 |
| Gavin Meadows |  ENG GBR |
SWI | 8 September 1977 |
| Katrin Meißner | GDR GER |
SWI | 17 January 1973 |
| 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 |
| Junko Onishi | JPN |
SWI | 18 October 1974 |
| Simone Osygus | GER |
SWI | 30 September 1968 |
| Aleksandr Popov | CIS RUS URS |
SWI | 16 November 1971 |
| Garret Pulle | CAN |
SWI | 1978 |
| Yoshiko Saito | JPN |
SWI | |
| Johanna Sjöberg |  SWE |
SWI | 8 March 1978 |
| Tara Sloan | CAN |
SWI | 1979 |
| Kelly Stefanyshyn | CAN |
SWI | 6 July 1982 |
| Denys Sylantiev | UKR |
SWI | 3 October 1976 |
| Stev Theloke | GER |
SWI | 18 January 1978 |
| Petria Thomas | AUS |
SWI | 25 August 1975 |
| Marietta Uhle | GER |
SWI | 1980 |
| 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 |
| Marcel Wouda | NED |
SWI | 23 January 1972 |
| Eri Yamanoi | JPN |
SWI | 12 September 1978 |
| Mitja Zastrow | GER NED |
SWI | 7 March 1977 |
| Zhang Xiao | CHN |
SWI | 1980 |