Futarasan jinja, also known as Nikkō Futarasan Shrine, is a Shinto shrine in the city of Nikkō, Tochigi Prefecture, Japan. To distinguish it from the shrine in nearby Utsunomiya. It enshrines three deities: Ōkuninushi, Tagorihime, and Ajisukitakahikone.
Together with Nikkō Tōshō-gū and Rinnō-ji, it forms the Shrines and Temples of Nikkō UNESCO World Heritage Site. The shrine possesses two swords that are National treasures of Japan. Additionally, dozens of buildings and cultural artifacts are listed as Important Cultural Assets.