Moorefield is a town in Hardy County, West Virginia, USA. Moorefield is the county seat of Hardy County. It was originally chartered in 1777 and named for Conrad Moore, who owned the land upon which the town was laid out. Moorefield is located at the confluence of the South Branch Potomac River and the South Fork South Branch Potomac River.
Moorefield is located at 39°3′47″N 78°57′57″W / 39.06306°N 78.96583°W / 39.06306; -78.96583 (39.062999, -78.965922).
According to the United States Census Bureau, the town has a total area of 1.6 square miles (4.3 km²). 1.6 square miles (4.2 km²) of it is land and 0.04 square miles (0.1 km²) of it (1.21%) is water.