Anna Maria Manahan (18 October 1924 – 8 March 2009) was an Irish stage, film and television actress.

Manahan received two Tony Award for Best Featured Actress in a Play nominations for her performances in the 1968 production of Lovers and the 1998 production of The Beauty Queen of Leenane, the latter for which she won at the 52nd Tony Awards. Manahan was also nominated for two Drama Desk Awards, a Laurence Olivier Award, and an Outer Critics Circle Award in her career spanned more than 60 years. She interpreted the works of, among others, Seán O'Casey, John B. Keane, John Millington Synge, Oscar Wilde, James Joyce, Martin McDonagh, Christy Brown, and Brian Friel.