The 1933 Australian Championships was a tennis tournament that took place on outdoor Grass courts at the Kooyong Stadium in Melbourne, Australia from 20 January to 31 January. It was the 26th edition of the Australian Championships (now known as the Australian Open), the 7th held in Melbourne, and the first Grand Slam tournament of the year. Australians Jack Crawford and Joan Hartigan won the singles titles.
See main article: 1933 Australian Championships – Men's singles. 
Jack Crawford defeated 
Keith Gledhill 2–6, 7–5, 6–3, 6–2
See main article: 1933 Australian Championships – Women's singles. Joan Hartigan defeated Coral McInnes Buttsworth 6–4, 6–3
See main article: 1933 Australian Championships – Men's doubles. Keith Gledhill / Ellsworth Vines defeated Jack Crawford / Gar Moon 6–4, 10–8, 6–2
See main article: 1933 Australian Championships – Women's doubles. Mall Molesworth / Emily Hood Westacott defeated Joan Hartigan / Marjorie Gladman Van Ryn 6–3, 6–3
See main article: 1933 Australian Championships – Mixed doubles. Marjorie Cox Crawford / Jack Crawford defeated Marjorie Gladman Van Ryn / Ellsworth Vines 3–6, 7–5, 13–11