Mills Glacier should not be confused with Mill Glacier.
| Mills Glacier | |
| Type: | Mountain glacier |
| Location: | Boulder County, Colorado, United States |
| Map: | USA Colorado |
| Label Position: | right |
| Map Size: | 225 |
| Coordinates: | 40.2556°N -105.6106°W |
| Coordinates Ref: | [1] |
| Terminus: | Talus |
| Status: | Retreating |
Mills Glacier is an alpine glacier near the base of the east mountain face of Longs Peak, in Rocky Mountain National Park in the U.S. state of Colorado.[2]