Casville is an unincorporated community in Caswell County, North Carolina, United States. It is located at the crossroads of U.S. Route 158 and Ashland Rd/Park Springs Rd.
Travelers along US 158 notice a significant change in the speed limit from 55 mph (89 km/h) to 25 mph (40.2 km/h) as they approach the community's only caution traffic signal; the speed limit returns to after leaving the crossroads area.
Casville has two gas stations for those traveling along US 158 between Yanceyville, North Carolina and Reidsville, North Carolina. In the 2000s, it had a convenience store called the Casville Food Mart.
It has a volunteer fire department. As of 1996, the Casville fire department was the only volunteer fire department in Caswell County to receive funding from a fire tax levied on residents within its service district.
Neighboring communities include Pelham and Ruffin.