South Africa competed at the 2013 World Aquatics Championships in Barcelona, Spain between 19 July and 4 August 2013.
South Africa qualified four quota places for the following diving events.
South Africa qualified six quotas for the following events in open water swimming.
South African 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):
South Africa has qualified the following synchronized swimmers.