Coalmont is a city in Grundy County, Tennessee, United States. The population was 841 at the 2010 census.
Coalmont was established as a coal mining company town around 1904, operated by the Sewanee Coal, Coke and Land Company. Residences, businesses and commercial buildings in Coalmont were built and owned by the company, but individual miners could also build their own homes. A battery of coke ovens dating from the first decade of the 20th century is listed on the National Register of Historic Places. The Coalmont Bank Building also is listed.