Ketchum Glacier (75°0′S63°45′W) is an eastward flowing glacier at the base of Palmer Land, Antarctica, about 50 nautical miles (90 km) long, descending between the Latady Mountains and the Scaife Mountains into Gardner Inlet. It was discovered by the Ronne Antarctic Research Expedition (RARE), 1947–48, under Finn Ronne, who named it for Commander Gerald Ketchum, U.S.