Cape Willems (64°57′S 63°16′W﻿ / ﻿64.950°S 63.267°W﻿ / -64.950; -63.267Coordinates: 64°57′S 63°16′W﻿ / ﻿64.950°S 63.267°W﻿ / -64.950; -63.267) is a cape forming the north side of the entrance to Flandres Bay on the west coast of Graham Land. First charted by the Belgian Antarctic Expedition, 1897–99, and named by Gerlache for Pierre Willems.