Leopold Eidlitz (March 10, 1823, Prague, Bohemia — 1908, New York City) was a prominent New York architect best known for his work on the New York State Capitol (Albany, New York, 1876–1881), as well as "Iranistan" (1848), P. T. Barnum's house in Bridgeport, Connecticut; St. Peter's Church, on Westchester Avenue at St. Peter's Avenue in the Bronx (1853); the Brooklyn Academy of Music on Montague Street in Brooklyn (1861, destroyed by fire 1903); the former Temple Emanu-El (New York, 1866–68, destroyed 1927); the Broadway Tabernacle (1859, demolished about 1907); the completion of the Tweed Courthouse (1876–81); and the Park Presbyterian Chapel on West 86th Street and Amsterdam Avenue.