Dover is a city in and the county seat of Stewart County, Tennessee, 67 miles (108 km) west-northwest of Nashville on the Cumberland River. Fort Donelson National Cemetery is in Dover. The population was 1,442 at the 2000 census and the 2010 census showed a population of 1,417.

Stewart County is a county located on the northwestern corner of Middle Tennessee, in the U.S. state of Tennessee. As of the 2020 census, the population was 13,657. Its county seat is Dover. Stewart County is part of the Clarksville Metropolitan Statistical Area.