Gamera vs. Barugon (大怪獣決闘 ガメラ対バルゴン, Daikaijū Kettō: Gamera Tai Barugon, Giant Monster Duel: Gamera Versus Barugon, released in the U.S. as War of the Monsters) is a 1966 daikaiju eiga (Japanese giant monster film) featuring the giant turtle Gamera produced and distributed by Daiei Motion Picture Company. The film is the second to feature Gamera. It was released straight to television in the United States by AIP-TV as War of the Monsters, and then later by Sandy Frank as Gamera vs. Barugon.