Competitors for 1998 World Aquatics Championships
| Athlete | Country | Sports | Date of birth |
|---|---|---|---|
| Stefan Aartsen |  NED |
SWI | 13 March 1975 |
| Iory Aballi |  CUB |
DIV | |
| Marina Abrashkina |  UZB |
SWA | |
| Jean-Paul Adam |  SEY |
SWI | 12 June 1977 |
| Lauren Adams |  RSA |
SWA | |
| Gayle Adamson |  ENG GBR |
SWA | 2 December 1979 |
| Mehdi Addadi |  ALG |
SWI | 13 February 1972 |
| Carolyn Adel |  SUR |
SWI | 27 August 1978 |
| Amanda Adkins |  USA |
SWI | 5 December 1976 |
| Georgios Afroudakis |  GRE |
WAP | 17 October 1976 |
| Kianoush Afshin |  IRI |
WAP | |
| Dagmara Ajnenkiel |  POL |
SWI | 1977 |
| Aleksey Akatyev |  CIS RUS |
OWS/SWI | 7 August 1974 |
| Amir Abbas Akbarnejad | IRI |
WAP | |
| Jonas Åkesson |  SWE |
SWI | 1971 |
| Damir Akhmetbekov |  KAZ |
DIV | 4 June 1975 |
| Marina Akobiya | RUS |
WAP | 12 January 1975 |
| Barnsley Albert | SEY |
SWI | 11 April 1979 |
| Julia Albuquerque |  BRA |
WAP | |
| María José Alcalá |  MEX |
DIV | 24 December 1971 |
| Raquel Alcoba |  ESP |
SWA | |
| Tony Ali-Ally | ENG GBR |
DIV | 17 August 1973 |
| Sviatlana Aliakseyeuna |  BLR URS |
DIV | 13 March 1970 |
| Gulzhan Alimbetova | KAZ |
WAP | |
| Lívia Allárová |  SVK |
SWA | 14 April 1974 |
| Lucia Allárová | SVK |
SWA | 14 April 1974 |
| Carmela Allucci |  ITA |
WAP | 22 January 1970 |
| Franziska van Almsick |  GER |
SWI | 5 April 1978 |
| Therèse Alshammar | SWE |
SWI | 26 August 1977 |
| Rafael Álvarez | ESP |
DIV | 29 October 1971 |
| Jessica Amey |  CAN |
SWI | 15 November 1976 |
| Vladislav Aminov | RUS |
SWI | 19 August 1977 |
| Ali Reza Amirian | IRI |
WAP | |
| Adrian Andermatt |  SUI |
OWS/SWI | 7 March 1969 |
| Annette Andermatt | SUI |
OWS | 1972 |
| Phryne Andrianaki | GRE |
WAP | |
| Konstantin Andryushin |  KGZ URS |
SWI | 19 May 1975 |
| Alberto Angelini | ITA |
WAP | 28 September 1974 |
| Alexandre Angelotti | BRA |
OWS/SWI | 1975 |
| Yekaterina Anikeyeva | RUS |
WAP | 22 January 1969 |
| Iain Ansell |  NZL |
WAP | |
| Ayari Aoyama |  JPN |
SWI | 10 February 1982 |
| Maksim Apanasenko | RUS URS |
WAP | 12 May 1973 |
| Alexandra Araujo | BRA ITA |
WAP | 13 July 1972 |
| Odile Arboles-Souchon |  FRA |
DIV | 23 January 1975 |
| Catherine Archer |  COL |
SWA | 1973 |
| Carlos Arena | MEX |
SWI | 2 August 1975 |
| Jorge Arias |  PER |
SWI | 24 September 1972 |
| Örn Arnarson |  ISL |
SWI | 31 August 1981 |
| Fifi Arp | NED |
SWA | 1976 |
| Marie-Luc Arpin | CAN |
WAP | 4 July 1978 |
| Gavin Arroyo | USA |
WAP | 10 May 1972 |
| Khashaya Ashtiani | IRI |
SWI | 1977 |
| Dimitra Asilian | GRE |
WAP | 10 July 1972 |
| Shahriar Assarzadeg | IRI |
WAP | |
| Francesco Attolico | ITA |
WAP | 23 March 1963 |
| Isabelle Auger | CAN |
WAP | 26 August 1969 |
| Yelena Azarova | RUS URS |
SWA | 5 June 1973 |
| Madelon Baans | NED |
SWI | 8 October 1977 |
| Alessandro Bacchi | ITA |
SWI | |
| Karol Bačo | SVK |
WAP | 30 May 1978 |
| Ted Bader | CAN NED |
WAP | |
| Ryan Bailey | USA |
WAP | 28 August 1975 |
| Vanessa Baker |  AUS |
DIV | 12 June 1974 |
| Roman Balashov | RUS |
WAP | 9 February 1977 |
| Luca Baldini | ITA |
OWS/SWI | 10 October 1976 |
| Giada Ballan | ITA |
SWA | 19 October 1973 |
| Daniel Ballart | ESP |
WAP | 17 March 1973 |
| Pablo Banfi |  CHI |
SWI | 1978 |
| Facinet Bangoura |  GUI |
SWI | 7 March 1972 |
| Samir Barać |  CRO |
WAP | 2 November 1973 |
| Yelena Barantseva | RUS |
SWA | 1977 |
| Àngels Bardina | ESP |
SWI | 3 June 1980 |
| Claire Barton | USA |
SWA | 28 August 1996 |
| Dave Bates | AUS |
OWS/SWI | 4 March 1976 |
| István Batházi |  HUN |
OWS/SWI | 16 December 1978 |
| Stefano Battistelli | ITA |
SWI | 6 March 1970 |
| Lyne Beaumont | CAN |
SWA | 23 January 1978 |
| Lourdes Becerra | ESP |
SWI | 4 June 1973 |
| Brigitte Becue |  BEL |
SWI | 18 September 1972 |
| B. J. Bedford | USA |
SWI | 9 November 1972 |
| Johanne Bégin | CAN |
WAP | 21 October 1971 |
| Juan Benavides | ESP |
SWI | 25 June 1975 |
| Fabio Bencivenga | ITA |
WAP | 20 January 1976 |
| Tibor Benedek | HUN |
WAP | 12 July 1972 |
| Lindsay Benko | USA |
SWI | 29 November 1976 |
| Brooke Bennett | USA |
SWI | 6 May 1980 |
| Neisser Bent | CUB |
SWI | 7 August 1976 |
| Gillian van den Berg | NED |
WAP | 8 September 1971 |
| Soňa Bernardová |  CZE |
SWA | 2 February 1976 |
| Agnès Berthet | FRA |
SWA | 19 November 1976 |
| Antonella Bertolucci | BRA |
WAP | |
| Marc Bettens | SUI |
DIV | 1975 |
| Yevgeny Bezruchenko | RUS |
OWS/SWI | 26 October 1977 |
| Serena Bianchi | ITA |
SWA | 15 June 1974 |
| Hans Bijlemans | BEL |
SWI | 1973 |
| Thomas Bimis | GRE |
DIV | 11 June 1975 |
| Olga Bistrova | UZB |
SWA | |
| Kylie Blackwell | NZL |
WAP | |
| Mark Block | CAN |
WAP | |
| Nora Boboková | SVK |
SWA | 1979 |
| Claudia Bockner |  GDR GER |
DIV | 15 March 1972 |
| Pat Bogart | USA |
DIV | |
| Svitlana Bondarenko | CIS URS UKR |
SWI | 12 August 1971 |
| Isabel Bonet | ESP |
WAP | |
| Pedro Bonnelly |  DOM |
SWI | 1978 |
| Tracy Bonner | USA |
DIV | 1973 |
| Gustavo Borges | BRA |
SWI | 2 December 1972 |
| Anastasiya Boroda | KAZ |
WAP | 2 January 1976 |
| Irina Borodavko | KAZ |
WAP | 4 November 1979 |
| Mirjana Boševska |  MKD |
SWI | 25 June 1981 |
| Tine Bossuyt | BEL |
SWI | 10 June 1980 |
| Javier Botello | ESP |
SWI | 27 January 1979 |
| Beth Botsford | USA |
SWI | 21 May 1981 |
| Darryl Bourne | CAN |
WAP | |
| Christel Bouvron |  SGP |
SWI | 1 October 1984 |
| Alessandro Bovo | ITA |
WAP | 1 January 1969 |
| Natasha Bowron | AUS |
SWI | 1982 |
| Sean Boyd | AUS |
WAP | 10 March 1978 |
| Rachel le Bozec | FRA |
SWA | 21 February 1975 |
| Robyn Bradley | RSA |
OWS/SWI | 1977 |
| Ralf Braun | GDR GER |
SWI | 24 January 1973 |
| Trent Bray | NZL |
SWI | 1 September 1973 |
| Emiliano Brembilla | ITA |
SWI | 21 December 1978 |
| Chris-Carol Bremer | GER |
SWI | 5 January 1971 |
| Karine Brémond | FRA |
SWI | 17 June 1975 |
| Brad Bridgewater | USA |
SWI | 29 March 1973 |
| Steven Brown | USA |
SWI | 1979 |
| Yoav Bruck |  ISR |
SWI | 6 March 1972 |
| Daniëlle de Bruijn | NED |
WAP | 13 February 1978 |
| Inge de Bruijn | NED |
SWI | 24 August 1973 |
| Mara Brunetti | ITA |
SWA | 9 April 1976 |
| Olga Brusnikina | RUS |
SWA | 9 November 1978 |
| Jure Bučar |  SLO YUG |
OWS/SWI | 4 January 1966 |
| Peggy Büchse | GDR GER |
OWS/SWI | 9 September 1972 |
| Perica Bukić | CRO YUG |
WAP | 20 February 1966 |
| Eryn Bulmer | CAN |
DIV | 1 August 1976 |
| Svetlana Buravova | KAZ |
WAP | 15 June 1973 |
| Izabela Burczyk | POL |
SWI | 29 June 1972 |
| Marcos Burgos | CHI |
SWI | 8 March 1975 |
| Giovanna Burlando | ITA |
SWA | 20 November 1969 |
| Karen Burton-Reeder | USA |
OWS | 11 June 1962 |
| Antje Buschschulte | GER |
SWI | 27 December 1978 |
| Ricardo Busquets |  PUR |
SWI | 3 October 1974 |
| Derya Büyükuncu |  TUR |
SWI | 2 July 1976 |
| Guillermo Cabrera | DOM |
SWI | 28 February 1982 |
| Krešimir Čač | CRO |
SWI | 12 January 1976 |
| Cai Yuyan |  CHN |
DIV | |
| Roberto Calcaterra | ITA |
WAP | 6 February 1972 |
| Scott Cameron | NZL |
SWI | 12 November 1976 |
| Cora Campbell | CAN |
WAP | 28 May 1974 |
| Kim Campbell | CAN |
WAP | |
| Trina Campbell | CAN |
WAP | |
| Marc Capdevila | ESP |
SWI | 12 May 1974 |
| Adele Carlsen | ENG GBR |
SWA | 12 November 1975 |
| Brunella Carrafelli | ITA |
SWA | 16 September 1977 |
| Jordi Carrasco | ESP |
SWI | 2 March 1975 |
| Jacob Carstensen |  DEN |
SWI | 10 September 1978 |
| Claire Carver-Dias | CAN |
SWA | 19 May 1977 |
| Valeria Casprini | ITA |
OWS | 15 May 1976 |
| Chiara Cassin | ITA |
SWA | 13 January 1978 |
| Naomi Castle | AUS |
WAP | 29 May 1974 |
| Isabel Ceballos | COL |
SWI | 3 February 1979 |
| Andrei Cecan |  MDA |
SWI | 20 June 1976 |
| Maurizia Cecconi | ITA |
SWA | 12 April 1975 |
| Simone Cercato | ITA |
SWI | 25 February 1975 |
| Hana Černá | CZE TCH |
SWI | 17 May 1974 |
| Matteo Cesarini |  SMR |
SWI | 1978 |
| Anne Chagnaud | FRA |
OWS/SWI | 1971 |
| George Chaia | BRA |
WAP | |
| Gabriel Chaillou |  ARG |
OWS/SWI | 1967 |
| Jacquelyn Chan |  MAS |
SWA | 15 October 1983 |
| Teresa Chang | CUB |
SWA | |
| Jessica Chase | CAN |
SWA | 11 July 1978 |
| Thomas Chatzis | GRE |
WAP | 23 July 1972 |
| Valeriya Chechel | UKR |
SWA | 1981 |
| Nadezhda Chemezova | RUS |
SWI | 28 August 1980 |
| Chen Chia-Cheng |  TPE |
SWI | 1981 |
| Chen Hua | CHN |
SWI | 20 October 1982 |
| Chen Li | CHN |
DIV | |
| Chen Lixia | CHN |
DIV | |
| Chen Ting | TPE |
DIV | 7 May 1983 |
| Chen Yan | CHN |
SWI | 27 March 1981 |
| Roman Chentsov | KAZ RUS |
WAP | 16 January 1978 |
| Dmitry Chernyshov | RUS |
SWI | 29 September 1975 |
| Karine Chevrier | CAN |
SWI | 1977 |
| Chiang Tzu-Ying | TPE |
SWI | 15 September 1984 |
| Roberto Chiappini | BRA |
WAP | |
| Juliana Chicralla | BRA |
SWA | |
| Chio Ka Leong |  MAC |
SWI | 1982 |
| Simón Chocrón |  VEN |
OWS/SWI | 19 September 1976 |
| Choi Yu-Jin |  KOR |
SWA | 1977 |
| Revaz Chomakhidze | RUS |
WAP | 15 December 1973 |
| Gabi Christie | RSA |
SWA | |
| John Christie | NZL |
WAP | |
| Chung Soo-Youn | KOR |
SWA | |
| Clara Elena Ciocan |  ROU |
DIV | 28 December 1978 |
| Milan Cipov | SVK |
WAP | 22 January 1976 |
| Aleksandar Ćirić |  SRB SCG |
WAP | 30 December 1977 |
| Matthew Claridge | NZL |
WAP |