Rennell Glacier (79°23′S 84°12′W / 79.383°S 84.200°W / -79.383; -84.200) is a glacier, 10 nautical miles (19 km; 12 mi) long, in the Pioneer Heights, Heritage Range.

It drains northwest, to the east of Inferno Ridge, to join Splettstoesser Glacier.

Named by the University of Minnesota Geological Party to these mountains, 1963–64, for K.P.

Rennell, biologist with the party.

This article about a glacier in Ellsworth Land is a stub.