Stanton Hall, also known as Belfast, is a Greek Revival mansion within the Natchez On-Top-of-the-Hill Historic District at 401 High Street in Natchez, Mississippi. Built in the 1850s, it is one of the most opulent antebellum mansions to survive in the southeastern United States. It is now operated as a historic house museum by the Pilgrimage Garden Club. The house was declared a National Historic Landmark in 1974; a pivotal property inside the Natchez On-Top-of-the-Hill Historic District in 1979; and a Mississippi Landmark in 1995.