1977 Australian Open (January)
The 1977 Australian Open 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 took place in 1977 with the second taking place in December.
Seniors
Men's singles
Roscoe Tanner defeated Guillermo Vilas, 6–3, 6–3, 6–3- It was Tanner's 1st career Grand Slam title.
Women's singles
Kerry Melville Reid defeated Dianne Fromholtz, 7–5, 6–2- It was Melville's 1st career Grand Slam title.