Mount Wilson is a census-designated place in Lincoln County, Nevada, United States. As of the 2020 census, Mount Wilson had a population of 26.
The CDP takes its name from Mount Wilson, a summit that rises to the east of the community and is part of the Wilson Creek Range. The CDP is located on Mount Wilson Road, east of U.S. Route 93, along which it is south to Pioche and north to Ely.
According to the U.S. Census Bureau, the Mount Wilson CDP has an area of , all of it land.