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

New Zealand divers qualified for the individual spots and the synchronized teams at the World Championships.

New Zealand has qualified two swimmers to compete in the open water marathon.

[1] New Zealand 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][2][3] New Zealand fielded a full squad of ten synchronized swimmers to compete in each of the following events.