| Lillian Glacier | |
| Type: | Mountain glacier |
| Location: | McCartney Peak, Olympic National Park, Jefferson County, Washington, USA |
| Map: | USA Washington |
| Label Position: | right |
| Map Size: | 225 |
| Coordinates: | 47.8525°N -123.3772°W |
| Coordinates Ref: | [1] |
| Length: | 0.04miles |
| Terminus: | Talus |
| Status: | Retreating/extinct |
Lillian Glacier was located in the Olympic Mountains in Olympic National Park in the U.S. state of Washington. The remnants of the glacier are in a cirque below McCartney Peak.[2] Between 1905 and 2010, the Lillian Glacier melted away most likely because of global warming.[3]