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] Evonne Goolagong Cawley defeated Kerry Reid 6–1, 6–3 Evonne Goolagong Cawley / Betty Stöve vs. Kerry Reid / Greer Stevens divided[b]