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 nith year head coach Jim Littell, played their home games at Gallagher-Iba Arena and were members of the Big 12 Conference. They finished the season 15–15, 6–12 in Big 12 play to finish in eighth place. The Big 12 Tournament, NCAA women's basketball tournament and WNIT were all cancelled before they began due to the COVID-19 pandemic.