Prospect Street may refer to the following places:
Canada Prospect Street, local name for York Regional Road 34 in Newmarket, Ontario
United States Historic Districts: Prospect Street Historic District, New London, Connecticut South Prospect Street Historic District, Hagerstown, Maryland Mill-Prospect Street Historic District, Hatfield, Massachusetts Prospect-Gaylord Historic District, Amherst, Massachusetts
Historic Houses: House at 88 Prospect Street, Wakefield, Massachusetts House at 90 Prospect Street, Wakefield, Massachusetts House at 491 Prospect Street, Methuen, Massachusetts House at 526 Prospect Street, Methuen, Massachusetts
See also Prospect Avenue (disambiguation) Prospect Park (disambiguation) "Prospect Street", a 1985 song by the Big Dish