Benbrook Glacier (81°27′S 158°55′E / 81.450°S 158.917°E / -81.450; 158.917) is a glacier 5 nautical miles (9 km) long in the Churchill Mountains. It flows south-southeast from Egress Peak, Carlstrom Foothills, into the Flynn Glacier. It was named after James R. Benbrook of the Department of Physics, University of Houston, Texas, a United States Antarctic Program team member in balloon-borne investigation of the ionosphere and magnetosphere over the Geographic South Pole, 1985–95.

 This article incorporates public domain material from "Benbrook Glacier". Geographic Names Information System. United States Geological Survey.