Swimming at the 2011 Arab Games was held at Hamad Aquatic Center in Doha, Qatar from 17 to 22 December.

A total of 38 long course (50m) events were contested.

[1] The top medal-winning athletes from the Games both came from Swimming: Tunisia's Oussama Mellouli (15 golds, 1 silver) and Egypt's Farida Osman (7 golds).

17 nations entered 115 swimmers (77 males, 38 females) at the 2011 Arab Games:[2]