Janet Margolin (July 25, 1943 – December 17, 1993) was an American theater, television and film actress.
Margolin was born in New York City, the daughter of Benjamin Margolin, an accountant who was born in Russia and was founder and president of the Nephrosis Foundation, now the Kidney Foundation of New York. Her mother was Annette Margolin (maiden name Lief, the daughter of Abraham and Nina Lief).
She attended the School of Performing Arts. In 1961 at age 18, while a prop girl at the New York Shakespeare Festival, she won a "pivotal" Broadway stage role as Anna in Morris West's Daughters of Silence.; the New York Times, reviewing the play, listed her among leaders of "a fine cast" and said that "her Anna has a fragile, haunted dewiness."
In 1962, she played her first movie role as the female lead in the film David and Lisa. She played the love interest of the lead character in the movie Enter Laughing (1967).
In Take the Money and Run (1969) she played the love interest of the bumbling thief played by Woody Allen, and in Annie Hall (1977) she played the social-climbing wife of the Woody Allen character.