Deirdre Lenihan (born May 19, 1946 in New York, New York, U.S.) is an American actress. She first appeared in the 1972 film Glass Houses. She has also appeared in numerous television series, such as From Here to Eternity, Needles and Pins, and The Waltons.
She is married to actor James Sloyan with whom she has two children: Samantha Sloyan, who is also an actress, and Daniel Sloyan.