1989 WNBL season
The 1989 WNBL season was the ninth season of competition since its establishment in 1981. A total of 13 teams contested the league to start the season, but the Perth Breakers withdrew midseason.
Regular season
Ladder
The Perth Breakers had a 9–8 record at the time they withdrew from the season due to the pilot strike.Finals
Statistical leaders
| Category | Player | Team | GP | Totals | Average |
| Points Per Game | Kathy Foster | Hobart Islanders | 23 | 467 | 20.3 |
| Rebounds Per Game | Rachael Sporn | West Adelaide Bearcats | 22 | 314 | 14.3 |
| Assists Per Game | Karin Maar | Bulleen Boomers | 24 | 134 | 5.6 |
| Steals Per Game | Kathy Hahn | Noarlunga Tigers | 22 | 70 | 3.2 |
| Blocks per game | Sarah Duncan | Coburg Cougars | 15 | 30 | 2.0 |
| Field Goal % | Trina Roberts | Brisbane Lady Bullets | 21 | 62.0% | |
| Three-Point Field Goal % | Cherie Hogg | Canberra Capitals | 23 | 43.1% | |
| Free Throw % | Patricia Mickan | North Adelaide Rockets | 23 | 88.4% |