默菲湾是南极洲的海湾，位于埃尔斯沃思地的瑟斯顿岛北岸，全长33公里，在1946年12月由美国海军拍摄的空中照片绘入地图，现时由南极条约体系管理。

Murphy Inlet is an ice-filled inlet about 18 nautical miles (33 km) long, with two parallel branches at the head, lying between Noville and Edwards Peninsulas on the north side of Thurston Island. Delineated from aerial photographs taken by U.S. Navy Operation Highjump in December 1946. Named by Advisory Committee on Antarctic Names (US-ACAN) for Charles J. V. Murphy, assistant to R. Admiral Byrd after Byrd Antarctic Expedition of 1928-30, and member of the wintering party of Byrd Antarctic Expedition of 1933-35.