Ukraine competed at the 2015 World Aquatics Championships in Kazan, Russia from 24 July to 9 August 2015.

Ukraine was the team which achieved the 4th place the most among others (including the 5th position where were two bronze medalists): Ukrainian divers qualified for the individual spots and the synchronized teams at the World Championships.

[1] Ukraine has qualified two high divers to compete at the World Championships.

[2] Ukraine has qualified two open water swimmers to compete in each of the following events.

[3] Ukrainian 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):[4][5][6] Ukraine fielded a full squad of twelve synchronized swimmers (one male and eleven female) to compete in each of the following events.