Ardmore is a city in Giles and Lincoln counties in the U.S. state of Tennessee. The population was 1,082 at the 2000 census. Ardmore is the site of a Tennessee Department of Tourist Development Welcome Center. It borders its sister city, Ardmore, Alabama.
Ardmore is located at 35°0′17″N 86°51′5″W / 35.00472°N 86.85139°W / 35.00472; -86.85139 (35.004746, -86.851402).
According to the United States Census Bureau, the city has a total area of 4.5 square miles (11.8 km²), of which, 4.5 square miles (11.8 km²) of it is land and 0.22% is water.