The 1924 Australasian Championships was a tennis tournament that took place on outdoor Grass courts at the Warehouseman's Cricket Ground in Melbourne, Australia from 19 January to 30 January. It was the 17th edition of the Australasian Championships (now known as the Australian Open), the 4th held in Melbourne, and the first Grand Slam tournament of the year. The singles titles were won by Australians James Anderson and Sylvia Lance.
See main article: 1924 Australasian Championships – Men's singles. 
James Anderson defeated Bob Schlesinger 6–3, 6–4, 3–6, 5–7, 6–3
See main article: 1924 Australasian Championships – Women's singles. Sylvia Lance defeated Esna Boyd 6–3, 3–6, 8–6
See main article: 1924 Australasian Championships – Men's doubles. James Anderson / Norman Brookes defeated Pat O'Hara Wood / Gerald Patterson 6–2, 6–4, 6–3
See main article: 1924 Australasian Championships – Women's doubles. Daphne Akhurst / Sylvia Lance defeated Kathleen Le Messurier / Meryl O'Hara Wood 7–5, 6–2
See main article: 1924 Australasian Championships – Mixed doubles. Daphne Akhurst / Jim Willard defeated Esna Boyd / Gar Hone 6–3, 6–4