The Hanover Historic District is a national historic district located in Hanover in York County, Pennsylvania. Bordered roughly by Elm Avenue, Broadway, Eisenhower Drive, Hollywood Avenue, and the borough's boundary line, this district encompasses 2,632 contributing buildings, four contributing sites, three contributing structures, and one contributing object in the central business district and surrounding residential area of Hanover.

Hanover is a borough in York County, Pennsylvania, United States. The population was 16,429 at the 2020 census. Located 19 miles (31 km) southwest of York and 54 miles (87 km) north-northwest of Baltimore, Maryland, the town is situated in a productive agricultural region. It is named after the German city of Hanover and is a principal city of the York–Hanover metropolitan area.