1998–99 WNBL season
| 1998–99 WNBL season | |
|---|---|
| League | Women's National Basketball League |
| Sport | Basketball |
| Duration | October 1998 – February 1999 |
| Number of teams | 8 |
| TV partner(s) | ABC |
| Regular season | |
| Top seed | AIS |
| Season MVP | Lauren Jackson (AIS) |
| Top scorer | Lauren Jackson (AIS) |
| Finals | |
| Champions | AIS |
| Runners-up | Perth Breakers |
| Finals MVP | Kristen Veal (AIS) |
The 1998–99 WNBL season was the 19th season of competition since its establishment in 1981. A total of 8 teams contested the league.