1998–99 WNBL season

1998–99 WNBL season
LeagueWomen's National Basketball League
SportBasketball
DurationOctober 1998 – February 1999
Number of teams8
TV partner(s)ABC
Regular season
Top seedAIS
Season MVPLauren Jackson (AIS)
Top scorerLauren Jackson (AIS)
Finals
ChampionsAIS
  Runners-upPerth Breakers
Finals MVPKristen 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.