Russia competed as the host nation at the 2015 World Aquatics Championships in Kazan from 24 July to 9 August 2015.

Russian divers qualified for the individual spots and the synchronized teams at the Worlds through the National Championships.

[2] Russia fielded a full team of eight swimmers to compete in the open water marathon.

Among the official roster featured sprint freestyle sensation Vladimir Morozov, 2012 Olympic silver medalist Anastasia Zuyeva, and two-time defending World champion Yuliya Yefimova.

[5][6] Russia sent a full squad of twelve synchronized swimmers (one male and eleven female), including 2012 Olympic champions Natalia Ishchenko and Svetlana Romashina, to compete in each of the following events.