Australia competed at the 2023 World Aquatics Championships in Fukuoka, Japan from 14 to 30 July.

Australia's artistic swimming team consisted of eleven athletes (all women).

[1] Lauren Flint was originally named in the team, however withdrew days before competition due to breaking her elbow in training.

[2] Australia's open water swimming team consisted of eight athletes (4 men and 4 women).

[3] Australia's swimming team consisted of thirty-one athletes (16 men and 15 women).