Germantown is a city in Shelby County, Tennessee, United States. The population was 41,333 at the 2020 census.

Shelby County is the westernmost county in the U.S. state of Tennessee. As of the 2020 census, the population was 929,744. It is the largest of the state's 95 counties, both in terms of population and geographic area. Its county seat is Memphis, a port on the Mississippi River and the second most populous city in Tennessee. The county was named for Governor Isaac Shelby (1750–1826) of Kentucky. It is one of only two remaining counties in Tennessee with a majority African American population, along with Haywood County.