The Women's 50 metre freestyle competition of the 2018 FINA World Swimming Championships (25 m) was held on 15 and 16 December 2018 at the Hangzhou Olympic Sports Center.

[1][2] Prior to the competition, the existing world and championship records were as follows.

The heats were started on 15 December at 11:09.

[3] The semifinals were held on 15 December at 19:47.

[4] The Final was held on 16 December at 19:33.