Tokiwa Jinja is a Shinto shrine adjacent to the gardens of Kairakuen in Mito, Ibaraki, Japan. Founded in 1874, enshrined are Tokugawa Mitsukuni, second daimyō of the Mito Domain and compiler of Dai Nihonshi, and Tokugawa Nariaki, ninth lord and founder of the nearby Kōdōkan han school.