1989 Big West Conference women's basketball tournament

The 1989 Big West Conference women's basketball tournament took place March 7–10, 1989. A play-in game was hosted at the Gold Mine on the Long Beach State campus, while the remaining games were held at the Long Beach Arena in Long Beach, California. won their third straight tournament title and received the conference's automatic bid to the 1989 NCAA Women's Division I Basketball Tournament.

Format
The top nine teams, out of ten, from the regular season standings qualified for the tournament.

The eight and nine seeds faced off in a play-in game. The remaining top seven teams were placed into the first round, with teams seeded and paired based on regular-season records.

All-Tournament Team

 * Shameil Coleman, Long Beach State
 * Pauline Jordan, UNLV
 * Genia Miller, Cal State Fullerton
 * Judy Mosley, Hawaii
 * Penny Toler, Long Beach State (MVP)
 * Traci Waites, Long Beach State