John Jeremiah Sullivan is an American writer and editor. He is a contributing writer to The New York Times Magazine, a contributing editor of Harper's Magazine, and southern editor of The Paris Review.
Sullivan's first book, Blood Horses: Notes of a Sportswriter's Son, was published in 2004. It is part personal reminiscence, part elegy for his father, and part investigation into the history and culture of the Thoroughbred racehorse. His second book, Pulphead: Essays (2011), is an anthology of fourteen updated magazine articles.