Gilbert is a town in Mingo County, West Virginia, United States, along the Guyandotte River. The population was 417 at the 2000 census. Gilbert was incorporated in 1918 and named for Gilbert Creek, which derives its name from the name of an early traveler in the area who was killed by Native Americans in the area. Gilbert is known statewide for its high school football as well as its rivalry with nearby Matewan. The two schools are now part of Mingo Central Comprehensive School.
Gilbert is located at 37°36′52″N 81°52′2″W / 37.61444°N 81.86722°W / 37.61444; -81.86722 (37.614497, -81.867212).
According to the United States Census Bureau, the town has a total area of 1.1 square miles (2.8 km²). 1.0 square miles (2.6 km²) of it is land and 0.1 square miles (0.2 km²) of it (6.42%) is water.