| Mills Lake | |
| Location: | Inyo County, California, United States |
| Coordinates: | 37.4027°N -118.7762°W |
| Type: | Lake |
| Part Of: | Crowley Lake Watershed |
| Inflow: | Mount Mills, Bear Creek Spire |
| Outflow: | Rock Creek (California) (Owens River) |
| Elevation: | 11667feet |
| Pushpin Map: | USA California |
Mills Lake is a California waterbody along the Sierra Crest east of Ruby Peak and Mount Mills near Little Lakes Valley. The discharge of Mills Lake flows through Ruby Lake, Rock Creek Lake, and into Rock Creek.