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

Argentina fielded a full team of four swimmers to compete in the open water marathon.

[1] Argentine swimmers 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):[2][3][4] Argentina qualified two synchronized swimmers to compete in each of the following events.