Great Britain at the 2011 World Aquatics Championships

The Great Britain team competed at the 2011 World Aquatics Championships in Shanghai, China. Britain selected a team of 40, 20 of each gender, for the FINA World Championships in Shanghai.

Diving

Great Britain has qualified 11 athletes in diving.
;Men
;Women

Open water swimming

;Men
;Women

Swimming

Great Britain qualified 38 swimmers.
;Men
;Women

* qualified due to the withdrawal of another swimmer
** raced in heats only

Synchronised swimming

Great Britain has qualified 11 athletes in synchronised swimming.
;Women