The Knowe of Swandro is an archaeological site located on the Bay of Swandro on Rousay in Orkney, Scotland. The site consists of a 5000-year-old Neolithic chambered tomb, the remains of an Iron Age settlement that consists of Iron Age roundhouses and Pictish buildings, and two Viking age buildings. The Knowe of Swandro site is located directly on the beach and is being rapidly destroyed by coastal erosion.