Lahmansville is an unincorporated community on Patterson Creek in Grant County, West Virginia, USA, located along West Virginia Secondary Route 5 at its junction with Secondary Route 5/6. The town was named for the Lahman family who settled in the area prior to West Virginia statehood. According to the Geographic Names Information System, it has also been known as "Laymensville", "Lehmansville" and "Leymansville".