The 2019–20 Oklahoma State Cowgirls basketball team represented Oklahoma State University in the 2019–20 NCAA Division I women's basketball season.

The Cowgirls, led by ninth-year head coach Jim Littell, played their home games at Gallagher-Iba Arena in Stillwater, Oklahoma and were members of the Big 12 Conference.

[2] The Big 12 tournament, NCAA women's basketball tournament and WNIT were all cancelled before they began due to the COVID-19 pandemic.

[3] The Cowgirls finished the 2018–19 season 14–16, 5–13 in Big 12 play, to finish in seventh place.

[4] They lost in the first round of the Big 12 women's tournament to Kansas.