The women's 50 metre backstroke competition at the 2023 World Aquatics Championships was held on 26 and 27 July 2023.

[1][2][3] Prior to the competition, the existing world and championship records were as follows.

[4] The heats were started on 26 July at 10:32.

[6] The swim-off was held on 26 July at 22:14.

[7] The final was held on 27 July at 20:36.