Great Britain at the 2025 World Aquatics Championships

Great Britain competed at the 2025 World Aquatics Championships in Singapore from July 11 to August 3, 2025.

Medalists

Medal	Name	Sport	Event	Date
	Matt Richards James Guy Jack McMillan Duncan Scott Evan Jones Tom Dean	Swimming	Men's 4 × 200 metre freestyle relay	1 August 2025
	Yasmin Harper Scarlett Mew Jensen	Diving	Women's 3 m synchronized springboard	29 July 2025
	Ben Proud	Swimming	Men's 50 metre freestyle	2 August 2025
	Ranjuo Tomblin Isabelle Thorpe	Artistic swimming	Mixed duet free routine	25 July 2025
	Anthony Harding Jack Laugher	Diving	Men's 3 m synchronized springboard	28 July 2025

;Men
;Women
;Mixed

20 athletes were named to the World Championships roster.
;Men
;Women
;Mixed

;Men

Athlete	Event	Time	Rank
Hector Pardoe	Men's 10 km	2:05:38.0	25

On April 24th, 2025, 28 athletes were named to the World Championships team. In qualification for the 200 metre freestyle event Duncan Scott and James Guy tied for the final qualification place. In the end James Guy was chosen to represent Great Britain in the event.
;Men
;Women
;Mixed

;Summary

;Team roster
;Group play
;Playoffs
;9–12th place semifinals
;Eleventh place game