Kagami-jinja is a Shinto shrine located in Karatsu, Saga prefecture, Japan. The shrine is at the base of Mount Kagami in Genkai Quasi-National Park. It is now called Matsura Sōchinshu Kagami-jinja, and formerly known as the name of Kagami no mikoto Byōgū, Kagami-gū, Matsuura-gū, Itabitsu-sha and Kuri Daimyōjin.