Sebastopol is a town in Leake and Scott Counties in the U.S. state of Mississippi. The population was 272 at the 2010 census.
Sebastopol is located at 32°34′22″N 89°20′10″W / 32.57278°N 89.33611°W / 32.57278; -89.33611 (32.572788, -89.336094). Most of the town is located in Scott County, although a tiny portion extends into Leake County. In the 2000 census, all of the city's 233 residents lived in Scott County. Although no residents lived in the Leake County portion in 2000, that figure had risen to 1 by 2006.
According to the United States Census Bureau, the town has a total area of 1.5 square miles (3.8 km²), all of it land.