Helen Deutsch (21 March 1906 – 15 March 1992) was an American screenwriter, journalist and songwriter.
Deutsch was born in New York City and graduated from Barnard College. She began her career by managing the Provincetown Players. She then wrote theatre reviews for the New York Herald-Tribune and the New York Times as well as working in the press department of the Theatre Guild.
Her first screenplay was for The Seventh Cross (1944). She adapted Enid Bagnold's novel, National Velvet into a screenplay which became a famous film (1944) starring Elizabeth Taylor. After writing a few films (Golden Earrings (1947), The Loves of Carmen (1948) and Shockproof (1949) ) for Paramount and Columbia Pictures, she spent the greater part of her career working for Metro-Goldwyn-Mayer and wrote the screenplays for such films as King Solomon's Mines (1950), Kim (1950), It's a Big Country (1951), Plymouth Adventure (1952), Lili (1953), Flame and the Flesh (1954), The Glass Slipper (1955), I'll Cry Tomorrow (1955), Forever, Darling (1956) and The Unsinkable Molly Brown (1964). Her last screenplay was for 20th Century Fox's Valley of the Dolls (1967).