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

Canada qualified a full team of 8 divers.

[1] Canada qualified one high diver to compete at the World Championships.

[2] Canada has fielded a team of four swimmers to compete in the open water marathon.

[3] Canadian swimmers earned 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] Thirteen Canadian synchronized swimmers (one male and twelve female) have been selected to compete in the following events at the World Championships.