The 1964 Australian Championships was a tennis tournament that took place on outdoor grass courts at the Milton Courts in Brisbane, Australia from 4 January to 13 January. It was the 52nd edition of the Australian Championships (now known as the Australian Open), the 6th held in Brisbane, and the first Grand Slam tournament of the year. The singles titles were won by Australians Roy Emerson and Margaret Smith.
See main article: 1964 Australian Championships – Men's singles. 
Roy Emerson defeated Fred Stolle 6–3, 6–4, 6–2 [1]
See main article: 1964 Australian Championships – Women's singles. Margaret Smith defeated Lesley Turner 6–3, 6–2 [2]
Bob Hewitt / Fred Stolle defeated Roy Emerson / Ken Fletcher 6–4, 7–5, 3–6, 4–6, 14–12 [3]
Judy Tegart / Lesley Turner defeated Robyn Ebbern / Margaret Smith 6–4, 6–4 [4]
Margaret Smith / Ken Fletcher defeated Jan Lehane / Mike Sangster 6–3, 6–2 [5]