Andrew Johnson National Historic Site is a National Historic Site in Greeneville, Tennessee, maintained by the National Park Service. It was established to honor Andrew Johnson, the 17th president of the United States, who became president after Abraham Lincoln was assassinated. The site includes two of Johnson's homes, his tailor shop, and his grave site within the Andrew Johnson National Cemetery.

National Historic Site (NHS) and National Historical Park (NHP) are designations for officially recognized areas of national historic significance in the United States. They are usually owned and managed by the federal government. An NHS usually contains a single historical feature directly associated with its subject, while an NHP is an area that generally extends beyond single properties or buildings to include a mix of historic and later structures and sometimes significant natural features.