44 athletes selected (pool and open water). 

Debut (22): Iona Anderson, Ben Armbruster, Jaclyn Barclay Jack Cartwright, Abbey Connor, Elizabeth Dekkers, Jenna Forrester, Maximillian Giuliani, Shayna Jack, Lani Pallister, Alexandria Perkins, Jamie Perkins, William Petric, Ella Ramsay, Samuel Short, Flynn Southam, Kai Taylor, Samuel Williamson, Bradley Woodward, Olivia Wunsch, William Yang, Joshua Yong. 

2nd Olympics (13): Isaac Cooper, Meg Harris, Zac Incerti, Se-Bom Lee, Kaylee McKeown, Thomas Neill, Mollie O’Callaghan, Brendon Smith, Jenna Strauch, Zac Stubblety-Cook, Matthew Temple, Ariarne Titmus, Elijah Winnington. 

3rd Olympics (3): Kyle Chalmers, Emma McKeon, Brianna Throssell. 

4th Olympics (2): Bronte Campbell, Cameron McEvoy.