Jack Gage (December 26, 1912 – January 4, 1989) was an American film and television director. From 1934 to 1940, and billed as John Gordon Gage, he worked as a stage manager and occasional actor on Broadway. In 1942, he began his career in films as a dialogue director; his credits in that capacity include I Married a Witch, Double Indemnity, A Stolen Life, Sister Kenny, and Mourning Becomes Electra, the latter two films starring Rosalind Russell.