2003 Big 12 Conference women's basketball tournament

The 2003 Big 12 Conference women's basketball tournament was held March 11–15, 2003, at Reunion Arena in Dallas, Texas.

Number 1 seed Texas defeated number 3 seed 67–57 to win their first championship and receive the conference's automatic bid to the 2003 NCAA tournament.

Seeding
The Tournament consisted of a 12 team single-elimination tournament with the top 4 seeds receiving a bye.

All-Tournament team
Most Outstanding Player – Stacy Stephens, Texas