Cape Buller (53°59′S 37°22′W / 53.983°S 37.367°WCoordinates: 53°59′S 37°22′W / 53.983°S 37.367°W) is a rugged headland forming the west side of the entrance to the Bay of Isles on the north coast of South Georgia. It was discovered and named in 1775 by a British expedition under James Cook.
The area including the Bay of Isles and Cape Wilson, along with Grytviken is one of two Areas of Special Tourist Interest on the island.