Maggie McNamara (June 18, 1928 - February 18, 1978) was an American actress.
Born in New York City, she began her acting career on the stage. She starred in the national company of The Moon Is Blue for eighteen months, before debuting on Broadway in The King of Friday's Men. She went to Hollywood when Otto Preminger cast her in the lead of his controversial and relatively explicit film version of The Moon is Blue, and she garnered a nomination for the Academy Award for Best Actress.
McNamara's second film role was in Three Coins in the Fountain, but she only made two more films. In the early 1960s, she starred in an episode of The Twilight Zone (The Ring-a-Ding Girl).
Maggie McNamara died from a deliberate overdose of sleeping pills in 1978, aged 49. At that time she was supporting herself as a typist.
On her passing , Maggie McNamara was interred in Saint Charles Cemetery in Farmingdale, Long Island, New York.