Watertown Historic District or Watertown Commercial Historic District may refer to:
in the United States (by state) Watertown Center Historic District, Watertown, CT, listed on the NRHP in Connecticut Watertown Arsenal Historic District, Watertown, MA, listed on the NRHP in Massachusetts Watertown Historic District (Watertown, Ohio), listed on the NRHP in Ohio Watertown Commercial Historic District (Jefferson, South Dakota), listed on the NRHP in South Dakota Watertown Commercial Historic District (Watertown, Tennessee), listed on the NRHP in Tennessee
See also Watertown (disambiguation)