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

Poland has entered 3 divers (two male and one female).

[1] Poland qualified one male high diver.

[2] Poland has entered two open water swimmers[3][4] Polish 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):[5] Poland's synchronized swimming team consisted of 2 athletes (2 female).

[6]