The 1977 Colgate International of Australia, was a women's tennis tournament played on outdoor grass courts at White City Stadium in Sydney in Australia. The event was part of the AAA[a] category of the 1978 Colgate Series. It was the second edition of the tournament and was held from 14 November through 20 November 1977.[2] Eighth-seeded Evonne Goolagong Cawley, participating in her first tournament after a year absence due to the birth of her first child, won the singles title and earned $22,000 first-prize money and 160 ranking points.[2][3][4][5]