Nightstick, also released as Calhoun, is a 1987 Canadian-American made-for-television action film which had theatrical release and later released to video and to theaters outside the United States. Directed by Joseph L. Scanlan, the film stars Bruce Fairbairn, Kerrie Keane, Leslie Nielsen, Robert Vaughn, and John Vernon.

Under the working title of Cahoun, production began December 1986 shooting on locations in Toronto and New York.