Marianne Leone Cooper (born January 2, 1952) is an American film and television actress, screenwriter and essayist.

[2] In 2024, Cooper served as an executive producer of the documentary My Own Normal about Alexander Freeman, a filmmaker from Newton, Massachusetts who has cerebral palsy, following his journey of becoming a partner and father and confronting the pain of his parent's reaction.

[3] [4] Leone has had roles in several films, including The Thin Blue Line (1988), True Love (1989), Goodfellas (1990), Household Saints (1993) and The Three Stooges (2012).

[citation needed] Her screenplay, Hurricane Mary, is a true life story of a mother's struggles to have her disabled twin daughters integrated into the public school system.

Leone's memoir, Knowing Jesse: A Mother's Story of Grief, Grace, and Everyday Bliss, was published in September 2010 by Simon & Schuster.