Riley Glacier () is a heavily crevassed glacier, 14 nautical miles (26 km) long and 17 nautical miles (31 km) wide, flowing westward from the west side of Palmer Land into George VI Sound between the Traverse Mountains and Mount Dixey. First sighted and surveyed in 1936 by the British Graham Land Expedition (BGLE) under Rymill. Resurveyed in 1949 by the Falkland Islands Dependencies Survey (FIDS) and named for Quintin T.P.M. Riley, assistant meteorologist of the BGLE, 1934-37.
This article incorporates public domain material from the United States Geological Survey document "Riley Glacier" (content from the Geographic Names Information System).