Gamera 3: Revenge of Iris is a 1999 Japanese kaiju film directed by Shusuke Kaneko, written by Kaneko and Kazunori Itō, and produced by Miyuki Nanri, Naoki Sato, and Tsutomu Tsuchikawa. Produced by Daiei Film and distributed by Toho, the film is the 11th entry in the Gamera film series, as well as the third film in the franchise's Heisei period, serving as a sequel to the 1996 film Gamera 2: Attack of Legion.