Karen Maruyama is an American actress and comedienne. She has appeared on television in supporting roles in a number of sitcoms, including recurring characters on The Jamie Foxx Show, Strip Mall, Suddenly Susan, and Arrested Development. Maruyama is well known as an improv performer and instructor, and was a featured guest on both the American and British versions of Whose Line Is It Anyway?, as well as a member of The Groundlings. She also appeared as a parking lot attendant in an episode of Curb Your Enthusiasm.