Back Natació al Campionat del Món de natació de 1998 Catalan Plavání na mistrovství světa v plaveckých sportech 1998 Czech شنا در مسابقات جهانی ورزشهای آبی ۱۹۹۸ Persian Svjetsko prvenstvo u plivanju 1998. Croatian Wereldkampioenschappen zwemmen 1998 Dutch Плавання на Чемпіонаті світу з водних видів спорту 1998 Ukrainian
| 1998 FINA World Championships | ||
|---|---|---|
| Diving | ||
| Individual | ||
| 1 m | men | women |
| 3 m | men | women |
| 10 m | men | women |
| Open water swimming | ||
| Single | ||
| 5 km | men | women |
| 5 km | team rating | |
| 25 km | men | women |
| 25 km | team rating | |
| Swimming | ||
| Freestyle | ||
| 50 m | men | women |
| 100 m | men | women |
| 200 m | men | women |
| 400 m | men | women |
| 800 m | women | |
| 1500 m | men | |
| Backstroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Breaststroke | ||
| 100 m | men | women |
| 200 m | men | women |
| Butterfly | ||
| 100 m | men | women |
| 200 m | men | women |
| Individual medley | ||
| 200 m | men | women |
| 400 m | men | women |
| Freestyle relay | ||
| 4×100 m | men | women |
| 4×200 m | men | women |
| Medley relay | ||
| 4×100 m | men | women |
| Synchronised swimming | ||
| Solo | women | |
| Duet | women | |
| Team | women | |
| Water polo | ||
| Tournament | men | women |
These are the results of the swimming competition at the 1998 World Aquatics Championships.