1979 NSW Building Society Women's Classic

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 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. Fifth-seeded Sue Barker won the singles title and earned $20,000.

Singles
🇬🇧 Sue Barker defeated Rosalyn Fairbank 6–0, 7–5
 * It was Barker's only singles title of the year and the 14th of her career.

Doubles
🇺🇸 Billie Jean King / 🇦🇺 Wendy Turnbull defeated 🇺🇸 Pam Shriver / 🇬🇧 Sue Barker 7–5, 6–4