Jeremy Leven (born August 16, 1941) is an American screenwriter, director, producer, and novelist.
Born in South Bend, Indiana, Leven lives in Woodbridge, Connecticut, Paris, and New York City.
While at Harvard, he founded a satirical revue called The Proposition that ran for 10 years in Cambridge, Massachusetts and off-Broadway.
Leven was a practicing neuropsychiatrist, a theme incorporated in his second novel, Satan: His Psychotherapy and Cure by the Unfortunate Dr. Kassler, J.S.P.S., which was published in 1982 and filmed as Crazy as Hell in 2002.
Leven wrote and directed Don Juan DeMarco (1994), wrote and produced Alex & Emma (2003), wrote the screenplays for The Legend of Bagger Vance (2000), The Notebook (2004), My Sister's Keeper (2009), and Real Steel (2011), and did uncredited writing on The Time Traveler's Wife (2009).