Grimsleyville is an unincorporated community in Buchanan County, Virginia, in the United States.
A post office was established at Grimsleyville in 1934, and remained in operation until it was discontinued in 1958. The community was named for James Grimsley, who kept a store there.
Coordinates: 37°10′05″N 81°54′10″W / 37.16806°N 81.90278°W