Hewitt Glacier () is a glacier, 15 nautical miles (28 km) long, descending the east slopes of Holland Range between Lewis Ridge and Mount Tripp to enter Richards Inlet. Named by the New Zealand Geological Survey Antarctic Expedition (NZGSAE) (1959-60) for Leonard R. Hewitt, leader at Scott Base, 1959.
This article incorporates public domain material from the United States Geological Survey document "Hewitt Glacier" (content from the Geographic Names Information System).