St. Mary Historic District or St. Marys Historic District, and variations with Church and otherwise, may refer to:
St. Marys Historic District (St. Marys, Georgia) St. Mary's College Historic District, St. Mary, Kentucky, listed on the National Register of Historic Places St. Mary Historic District (Lafayette, Indiana) St. Mary's Catholic Church Historic District (Dubuque, Iowa) St. Mary's Catholic Church Historic District (Guttenberg, Iowa) St. Marys City Historic District, St. Marys City, Maryland St. Mary's Church Complex Historic District, Monroe, Michigan St. Mary's of the Barrens Historic District, Perryville, Missouri, listed on the National Register of Historic Places St. Mary Utility Area Historic District, St. Mary, Montana St. Mary's Church Historic District (Wharton, New Jersey), listed on the NRHP St. Mary's Church Non-Contiguous Historic District, Hague, North Dakota St. Marys Historic District (St. Marys, Pennsylvania)
See also St. Mary's Academy Historic District (disambiguation)