Logan is a city in Logan County, West Virginia, United States, along the Guyandotte River. The population was 1,630 at the 2000 census. It is the county seat of Logan County.
The Chafin House, was listed on the National Register of Historic Places in 1994.
Logan is located at 37°50′54″N 81°59′16″W / 37.84833°N 81.98778°W / 37.84833; -81.98778 (37.848381, -81.987651).