The 2009–10 Oklahoma State Cowgirls basketball team represented Oklahoma State University in the 2009–10 NCAA Division I women's basketball season. The Cowgirls, coached by Kurt Budke, played their home games at the Gallagher-Iba Arena in Stillwater, Oklahoma. The Cowgirls, a member of the Big 12 Conference, advanced to the NCAA tournament, losing in the second round to Georgia.