John Stillman may refer to: Jack Wrangler (John Robert Stillman, 1946–2009), American pornographic film actor, theatrical producer, and director and writer John Stillman (judge) (1833–1883), American lawyer, businessman and teacher John Maxson Stillman (1852–1923), pioneer of the history of science in the United States John Stillman (architect), founded Stillman & Eastwick-Field Partnership John Stillman (Cold Case), a fictional character in the CBS crime drama Cold Case