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.
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):
Kazakhstan fielded a full squad of twelve synchronized swimmers to compete in each of the following events at the World Championships.