Mary Elizabeth Hartman (December 23, 1943 – June 10, 1987) was an American actress. She was best known for her performance in the 1965 film A Patch of Blue, playing a blind girl named Selina D'Arcy, opposite Sidney Poitier, a role for which she won the Golden Globe Award for New Star Of The Year - Actress and was nominated for the Academy Award for Best Actress and Golden Globe Award for Best Actress – Motion Picture Drama. The next year, she appeared in You're a Big Boy Now as Barbara Darling, for which she was nominated for the Golden Globe Award for Best Actress – Motion Picture Musical or Comedy.