The Women's 50 metre butterfly competition of the 2014 FINA World Swimming Championships (25 m) was held on 4 December with the heats and the semifinals and 5 December with the final.

[1] Prior to the competition, the existing world and championship records were as follows.

The following records were established during the competition: The heats were held at 10:40.

[2] The semifinals were held at 18:39.

[3] The final was held at 18:44.