The Women's 1500 metre freestyle competition at the 2019 World Championships was held on 22 and 23 July 2019.

[1][2] The defending champion was Katie Ledecky, but she was forced to withdraw due to illness.

[3][4] Prior to the competition, the existing world and championship records were as follows.

The heats were started on 22 July at 11:23.

[5] The final was held on 23 July at 20:10.