Jeffrey Konvitz (born 1944 in New York) is an American writer and film producer. He is Jewish and was educated at Cornell and the Columbia University School of Law. Konvitz is probably best known for writing the novel The Sentinel, published in 1974. It was followed by a film adaptation in 1977, which he produced and adapted from the novel. He married Vicki Peters in 1980, but they were divorced after parenting one child, Kristen Nicole (1983). Later, he married Jillian McWhirter in 1998 (the two are still married) and fathered a second child with her, Katherine Arielle (2002).