1990 Southwest Conference women's basketball tournament

The 1990 Southwest Conference women's basketball tournament was held March 7–10, 1990, at Moody Coliseum in Dallas, Texas.

Number 1 seed defeated 3 seed  63–60 to win their 8th championship and receive the conference's automatic bid to the 1990 NCAA tournament.

Texas Tech and Arkansas received at-large bids to the NCAA tournament.

Format and seeding
The tournament consisted of a 6 team single-elimination tournament. The top two seeds had a bye to the Semifinals.