1989 New South Wales Open – Women's singles

Pam Shriver was the defending champion and lost in the quarter-finals to Terry Phelps.

Martina Navratilova won in the final 6–2, 6–4 against Catarina Lindqvist.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top eight seeds received a bye to the second round.


 * 1) 🇺🇸 Martina Navratilova (champion)
 * 2) 🇺🇸 Pam Shriver (quarterfinals)
 * 3)  Helena Suková (third round)
 * 4) 🇺🇸 Mary Joe Fernández (quarterfinals)
 * 5) 🇺🇸 Patty Fendick (quarterfinals)
 * 6) 🇮🇹 Raffaella Reggi (third round)
 * 7) 🇦🇺 Anne Minter (third round)
 * 8) 🇫🇷 Pascale Paradis (second round)
 * 9) 🇦🇺 Hana Mandlíková (semifinals)
 * 10) 🇦🇺 Nicole Provis (second round)
 * 11) 🇦🇹 Judith Wiesner (quarterfinals)
 * 12)  Brenda Schultz (first round)
 * 13) 🇸🇪 Catarina Lindqvist (final)
 * 14) 🇺🇸 Gretchen Magers (third round)
 * 15) 🇺🇸 Ann Grossman (third round)
 * 16) 🇺🇸 Terry Phelps (semifinals)