Lone Mountain may refer to a place in the United States:

Lone Mountain, Tennessee, an unincorporated community
Lone Mountain (California), a hill in San Francisco, California
Lone Mountain, San Francisco, California, the associated neighborhood
Lone Mountain (Montana), a mountain in the Madison Range
Lone Mountain, Nevada, a ghost town
Lone Mountain (Elko County, Nevada)
Lone Mountain (Eureka County, Nevada)
Lone Mountain (New York), a mountain in Ulster County
Lone Mountain State Forest, a mountain and state forest in Morgan County, Tennessee