Summertown is an unincorporated community and census-designated place (CDP) in Lawrence County, Tennessee, United States.

Some rural areas in neighboring Lewis and Maury counties also use a "Summertown" mailing address, but their population is not included in the Census figures.

According to the U.S. Census Bureau, the Summertown CDP has an area of 2.0 square miles (5.2 km2), all of it recorded as land.

Some of extra curriculars included band, cheerleading, tennis, basketball, and football.

The Summertown area historical tornado activity is slightly above Tennessee state average.