John F. Gavin, born as John Francis Henry Gavin (1875 – 6 January 1938) was an Australian film director, who was one of the early filmmakers of the 1910s. He is best known for making films about bushrangers such as Captain Thunderbolt, Captain Moonlite, Ben Hall and Frank Gardiner. He was known by the nickname "Jack" and worked in collaboration with his wife Agnes, who wrote many of his films, most of which have not survived.