Back Natació al Campionat del Món de natació de 2007 Catalan Plavání na mistrovství světa v plaveckých sportech 2007 Czech شنا در مسابقات جهانی ورزشهای آبی ۲۰۰۷ Persian Natation sportive aux championnats du monde de natation 2007 French Svjetsko prvenstvo u plivanju 2007. Croatian Nuoto ai campionati mondiali di nuoto 2007 Italian Wereldkampioenschappen zwemmen 2007 Dutch Плавание на чемпионате мира по водным видам спорта 2007 Russian Светско првенство у пливању 2007. Serbian Плавання на Чемпіонаті світу з водних видів спорту 2007 Ukrainian
The swimming competition at the 12th FINA World Aquatics Championships was held in Rod Laver Arena in Melbourne, Australia, from 25 March to 1 April 2007. This portion of the 2007 Worlds featured 40 events (20 for males, 20 for females), all swum in a long course (50 m) pool:
- freestyle: 50 m, 100 m, 200 m, 400 m, 800 m and 1500 m;
- backstroke: 50 m, 100 m and 200 m;
- breaststroke: 50 m, 100 m and 200 m;
- butterfly: 50 m, 100 m and 200 m;
- individual medley (I.M.): 200 m and 400 m; and
- relays: 4x100 m free, 4x200 m free, and 4x100 m medley.