The 2018–19 Columbia Lions women's basketball team represented Columbia University during the 2018–19 NCAA Division I women's basketball season.

The Lions, led by third-year head coach Megan Griffith, played their home games at Levien Gymnasium and were members of the Ivy League.

They finished the season 8–19, 4–10 in Ivy League play to finish in seventh place.

They failed to qualify for the Ivy women's tournament.

They failed to qualify for the Ivy women's tournament.