Jeremy Leven (born 1941) is an American screenwriter, director, producer, and novelist. Born in South Bend, Indiana, Leven lives in Woodbridge, Connecticut, Nantucket, and Paris.

Leven was educated at St. John's College in Annapolis, Maryland, Harvard University, the University of Connecticut and Yale University Medical School. While at Harvard he founded a satirical revue called The Proposition that ran for ten years in Cambridge, Massachusetts and off-Broadway.

Leven's first novel, Creator, was published in 1980 and released as a film of the same title in 1985. Leven is a practicing clinical psychologist, 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 (1995), wrote and produced Alex & Emma (2003), and wrote the screenplays for The Legend of Bagger Vance (2000) and The Notebook (2004). His screenplay for The Time Traveler's Wife was in production in 2007.

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