Smith Peak (72°10′S 99°18′W / 72.167°S 99.300°W) is a prominent peak of the Walker Mountains on Thurston Island, Antarctica. It rises southeast of the head of Potaka Inlet and 6 mi (9.7 km) east-northeast of . It was first delineated from air photos taken by U.S. Navy Operation Highjump in December 1946 and named by the Advisory Committee on Antarctic Names (US-ACAN) for Dean C. Smith, aviation pilot of the Byrd Antarctic Expedition (ByrdAE) in 1928–30.