Canada is scheduled to compete at the 2023 World Aquatics Championships in Fukuoka, Japan from 14 to 30 July 2023.

[1] Rylan Wiens was originally set to compete, however he later withdrew after suffering a back injury [2] Canada's high diving team consisted of four athletes (one man and three women).

[3] Canada's open water swimming team consisted of six athletes (three men and three women).

[4][5][6] Eric Brown and Emma Finlin also qualified for events in the indoor pool competition.

[8] Sydney Pickrem and Mabel Zavaros withdrew from the event due to personal circumstances and injury respectively.