Gap Civil Township is one of seven townships in Alleghany County, North Carolina, United States. The township had a population of 4,474 according to the 2010 census.
Gap Civil Township occupies 48.8 square miles (126.4 km2) in central Alleghany County. The only incorporated municipality within Gap Civil Township is the town of Sparta, the county seat of Alleghany County.
Coordinates: 36°30′50″N 81°05′51″W / 36.5138876°N 81.0975397°W / 36.5138876; -81.0975397