The Floating Castle is a 2012 Japanese historical-drama film directed by Shinji Higuchi and Isshin Inudo, starring Mansai Nomura, and adapts Ryō Wada's novel of the same name. Set in feudal Japan, the film is based on the Siege of Oshi and depicts the struggle of Oshi's villagers in defending their fortress against Toyotomi Hideyoshi's campaign against the Hojo clan.