The women's 50 metre backstroke event at the 11th FINA World Swimming Championships (25m) took place 15 – 16 December 2012 at the Sinan Erdem Dome.

Prior to this competition, the existing world and championship records were as follows.

The following records were established during the competition: [1] 16 swimmers participated in 2 heats.

[2] The final was held at 19:06.

[3]