Gair Glacier (73°3′S166°32′E) is a tributary glacier, 10 miles (16 km) long, rising close southeast of Mount Supernal in the Mountaineer Range and flowing east-northeast to enter Mariner Glacier just north of Bunker Bluff in Victoria Land, Antarctica. It was named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE) 1962–63, for geologist H.S.