The 1979 NSW Building Society Women's Classic, 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 Colgate Series which was incorporated into the 1979 WTA Tour. It was the fourth and last edition of the tournament and was held from 3 December through 3 December 1979.[2] Fifth-seeded Sue Barker won the singles title and earned $20,000.[2]