The Shakotan Peninsula (積丹半島 Shakotan hantō) in Shiribeshi, on the west coast of Hokkaidō, Japan, is a mountainous peninsula which projects some 30 kilometres into the Sea of Japan.
Its coastline, known for the many natural stone pillars which project from the sea, forms part of the Niseko-Shakotan-Otaru Kaigan Quasi-National Park.