Somerville is a town in Fayette County, Tennessee, United States. It is part of the Memphis metropolitan area. The population was 3,094 at the 2010 census, up from 2,519 at the 2000 census. It is the county seat of Fayette County.
The town was named to honor Lieutenant Robert Somerville, who was killed in 1814 during the Battle of Horseshoe Bend in central Alabama while serving under General Andrew Jackson. Somerville was incorporated in 1836.
Somerville is located slightly northeast of the center of Fayette County at 35°14′15″N 89°21′30″W (35.237623, -89.358400). U.S. Route 64 runs through the center of town as Fayette Street, leading northeast 13 miles (21 km) to Whiteville and west 9 miles (14 km) to Oakland. Downtown Memphis is 41 miles (66 km) to the west. Tennessee State Route 76 crosses US 64 at the center of town. North of US 64, it is the town's Main Street and leads 26 miles (42 km) to Brownsville.