| Rennell Glacier | |
| Map: | Antarctica |
| Mark: | Blue_pog.svg |
| Type: | tributary |
| Location: | Ellsworth Land |
| Coordinates: | -79.3833°N -84.2°W |
| Thickness: | unknown |
| Terminus: | Splettstoesser Glacier |
| Status: | unknown |
Rennell Glacier (-79.3833°N -96°W) is a glacier, 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.