| 1990 WNBL season | |
|---|---|
| League | Women's National Basketball League (WNBL) |
| Sport | Basketball |
| Number of teams | 13 |
| TV partner(s) | ABC |
| Regular season | |
| Top seed | North Adelaide Rockets |
| Season MVP | Debbie Slimmon (Bulleen Boomers) |
| Top scorer | Debbie Slimmon (Bulleen Boomers) |
| Finals | |
| Champions | North Adelaide Rockets |
| Runners-up | Hobart Islanders |
The 1990 WNBL season was the tenth season of competition since its establishment in 1981. A total of 12 teams contested the league.
The following shows the leaders for each statistic during the 1990 regular season.