Ridgeway is a town in Fairfield County, South Carolina, United States.

Blink Bonnie, Camp Welfare, Century House, Hunter House, Mount Hope, Ridgeway Historic District, Ruff's Chapel, St. Stephen's Episcopal Church, Valencia, Vaughn's Stage Coach Stop, and the Monroe Wilson House are listed on the National Register of Historic Places.

Winnsboro, the county seat, is 11 miles (18 km) to the northwest via SC 34.

According to the United States Census Bureau, Ridgeway has a total area of 0.50 square miles (1.3 km2), all of it land.

27.5% of all households were made up of individuals, and 10.9% had someone living alone who was 65 years of age or older.