Kenchō-ji (建長寺) is a Rinzai Zen temple in Kamakura, Kanagawa Prefecture, Japan, which ranks first among Kamakura's so-called Five Great Zen Temples (the Kamakura Gozan) and is the oldest Zen training monastery in Japan. These temples were at the top of the Five Mountain System, a network of Zen temples started by the Hōjō Regents.