Big Springs is an unincorporated community in Calhoun County, West Virginia, United States. It lies along West Virginia Route 16 to the north of the town of Grantsville, the county seat of Calhoun County. Its elevation is 771 feet. Although it is unincorporated, it has a post office, with the ZIP code of 26137.The community was so named on account of there being springs near the original town site.