Swimming at the 2012 Paralympic Games was held from 30 August to 8 September 2012 at the London Aquatics Centre in London, UK.

[1] The competition consisted of 148 events, across multiple classifications, and all swum in a long course (50m) pool.

[2] Up to 600 swimmers (340 males, 260 females) swam in the Games.

[3] On 23 May 2012, IPC Swimming announced that 66 nations had qualified for the 2012 Paralympics.

[4] Those nations (and their slot allocations) are: