Morristown is a city in and the county seat of Hamblen County, Tennessee, United States. The population was 30,431 at the 2020 United States Census.

It is the principal city of the Morristown, Tennessee Metropolitan Statistical Area, which encompasses all of Grainger, Hamblen, and Jefferson counties. The Morristown metropolitan area is also a part of the Knoxville-Sevierville-La Follette Combined Statistical Area.