The 2002–03 Mid-American Conference women's basketball season began with practices in October 2003, followed by the start of the 2002–03 NCAA Division I women's basketball season in November.
Ball State and Toledo shared the regular season title with a record of 12–4.
Tamara Bowie of Ball State was MAC player of the year.
[1] Fourth seeded Western Michigan won the MAC tournament over Ball State.
[3] Western Michigan lost to Stanford in the first round of the NCAA tournament.