1977 Australian Open may refer to:
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1977 Australian Open (January)
The 1977 Australian Open (January) was a tennis tournament played on outdoor grass courts at the Kooyong Lawn Tennis Club in Melbourne, Australia. The tournament was held from 3 to 9 January 1977. Due to a scheduling change, two Australian Opens ...
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1977 Australian Open (December)
The 1977 Australian Open (December) was a tennis tournament played on outdoor grass courts in Melbourne, Victoria, Australia. It was the 66th edition of the tournament and was held from 19 to 31 December 1977. Due to a scheduling change two Aust ...
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