Montpelier is an unincorporated community in Adair County, Kentucky, United States. Its elevation is 876 feet (267 m).
The community was named for the city in France.
Grand Army of the Republic post 115, Conover Darnell, was located in Montpelier.
It is on Kentucky Route 92 and Kentucky Route 55 near a dead end on Lake Cumberland south of Jamestown. It is also southeast of Kentucky Route 619.