John C. "Jay" Cocks, Jr. (born January 12, 1944) is an American film critic and screenwriter. He is a graduate of Kenyon College. He was a critic for Time, Newsweek, and Rolling Stone, among other magazines, before shifting to screenplay writing. He is married to actress Verna Bloom.
As a screenwriter, he worked on Martin Scorsese's The Age of Innocence and Gangs of New York — a screenplay he started working on in 1976 — as well as Kathryn Bigelow's Strange Days. He did an uncredited rewrite of James Cameron's screenplay for Titanic and was, with Scorsese, the co-screenwriter of Silence.
- Academy Award: Best Adapted Screenplay, The Age of Innocence (1993)
- Academy Award: Best Original Screenplay, Gangs of New York (2002)
- BAFTA Award: Best Original Screenplay, Gangs of New York (2002)
- Some Notable Alumni, kenyon.edu; accessed August 28, 2015.
- Vincent Canby (1993-09-17). "Review/Film: The Age of Innocence; Grand Passions and Good Manners". Nytimes.com. Retrieved 2012-05-18.
- A.O. Scott (2002-12-20). "Gangs of New York - FILM REVIEW; To Feel A City Seethe". Movies.nytimes.com. Retrieved 2012-05-18.
- "Jay Cocks' filmography". Movies.nytimes.com. 2007-01-18. Retrieved 2012-05-18.