1990 WNBL season
The 1990 WNBL season was the tenth season of competition since its establishment in 1981. A total of 13 teams contested the league.
Finals
Statistical leaders
| Category | Player | Team | GP | Totals | Average |
| Points Per Game | Debbie Slimmon | Bulleen Boomers | 24 | 535 | 22.3 |
| Rebounds Per Game | Debbie Slimmon | Bulleen Boomers | 24 | 328 | 13.7 |
| Assists Per Game | Michele Landon | Sydney Bruins | 24 | 175 | 7.3 |
| Steals Per Game | Michele Timms | Nunawading Spectres | 20 | 68 | 3.4 |
| Blocks per game | Sarah Sullivan | Coburg Cougars | 20 | 50 | 2.5 |
| Field Goal % | Rachael Sporn | North Adelaide Rockets | 20 | 60.1% | |
| Three-Point Field Goal % | Vicki Daldy | North Adelaide Rockets | 24 | 44.2% | |
| Free Throw % | Sandy Brondello | Sydney Bruins | 21 | 91.2% |