Waterloo Historic District, or variations, may refer to:
in the United States
Waterloo Historic District (Waterloo, Illinois), listed on the National Register of Historic Places (NRHP) in Monroe County Waterloo Historic District (Warner, New Hampshire), NRHP-listed in Merrimack County Waterloo Downtown Historic District (Waterloo, New York), listed on the NRHP in Seneca County Waterloo Mills Historic District, Waterloo Mills, Pennsylvania, NRHP-listed Waterloo Downtown Historic District (Waterloo, Wisconsin), NRHP-listed in Jefferson County
See also Waterloo (disambiguation)