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

[2] Germany nominated 1 athlete to participate.

Germany nominated eight athletes to participate.

[3] German 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):[4] Swimmers must qualify at the 2015 German Swimming Championships and the 2015 German Open (for pool events) to confirm their places for the Worlds.

[5] Thirty-one swimmers have been nominated to the German team including world record holder Paul Biedermann in the freestyle and 2013 Worlds silver medalist Marco Koch in the breaststroke.