Stewartsville is a census-designated place (CDP) in southwestern Bedford County, Virginia, United States.

According to the United States Census Bureau, the CDP has a total area of 2.531 square miles (6.56 km2).

The United States Postal Service does not operate a post office within the CDP.

The Norfolk Southern operated Altavista District is located south of the CDP.

This Bedford County, Virginia state location article is a stub.