|1955 Australian Championships|
|Date||21- 31 January|
|Category||Grand Slam (ITF)|
|Vic Seixas / Tony Trabert|
|Mary Bevis Hawton / Beryl Penrose|
|Thelma Coyne Long / George Worthington|
It was the 43rd edition of the Australian Championships (now known as the Australian Open), the 11th held in Adelaide, and the first Grand Slam tournament of the year. The singles titles were won by Australians Ken Rosewall and Beryl Penrose.