Oneida is a town in Scott County, Tennessee, United States. The population was 3,615 at the 2000 census.
Oneida is known for its proximity to the Big South Fork National River and Recreation Area. The town is named for Oneida, New York, the home of several railroad executives who helped developed the town in the late 19th century.
Oneida is located at 36°30′2″N 84°31′0″W / 36.50056°N 84.516667°W / 36.50056; -84.516667 (36.500535, -84.516553).