Switzerland competed at the 2017 World Aquatics Championships in Budapest, Hungary from 14 July to 30 July.

Switzerland has entered 6 divers (three male and three female).

[1] Swiss swimmers have achieved qualifying standards in the following events (up to a maximum of 2 swimmers in each event at the A-standard entry time, and 1 at the B-standard):[2] Switzerland's synchronized swimming team consisted of 12 athletes (12 female).

[3] Legend: (R) = Reserve Athlete