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

Kazakhstan has qualified five swimmers to compete in the open water marathon.

[1][2][3] Kazakh 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):[1][4] Kazakhstan fielded a full squad of twelve synchronized swimmers to compete in each of the following events at the World Championships.

[5][6]