Ellen Geer (born in 1941) is an American actress, daughter of the celebrated actor Will Geer. With an extensive career in film and television, Geer is perhaps best known for her impactful cameo in *Harold and Maude* (1971) as the young Maude.

Among her significant film roles are the cult horror film *Re-Animator* (1985), where she played Principal Halsey, and the comedy *Oh, God!* (1977). Often cast in supporting roles, she has embodied strong women, compassionate mothers, or eccentric and wise figures. Her acting style is characterized by a subtle naturalness and an ability to bring depth to her characters, making even the briefest appearances impactful.