New York - Significance region: National
| Union Church of Pocantico Hills |
| Union Square |
| United Charities Building Complex |
| United Stated Merchant Marine Academy |
| United States Military Academy |
| University Heights Campus (Bronx Community College of The City University of New York) |
| Untermyer Park |
| U.S. Army Military Ocean Terminal |
| US Bullion Depository, West Point, New York |
| USCO Church, The |
| US Courthouse |
| U.S. Customhouse |
| Usonia Historic District |
| U.S. Post Office |
| USS EDSON (DD-946) |
| USS INTREPID (aircraft carrier) |
| USS SAN DIEGO (Armored Cruiser) Shipwreck Site |
| USS Slater (Destroyer Escort) |
| USS THE SULLIVANS (destroyer) |
| Utica State Hospital |
| Valcour Bay |
| Van Alen, Luycas, House |
| Van Cortlandt, Frederick, House |
| Van Cortlandt Manor |
| Vanderbilt Mansion National Historic Site |
| Vassar College Observatory |
| Vassar, Matthew, Estate |
| Vesper Cliff |
| Villa Lewaro |
| Villard Houses |
| Voorlezer's House |
| Wading River Radio Station |
| Wald, Lillian, House |
| Wall Street Historic District |
| Wall Street Subway Station (IRT) |
| Wardenclyffe Laboratory |
| Wards Point Archeological Site |
| Ward, William E., House |
| Washington's Headquarters |
| Watervliet Arsenal |
| Watervliet Shaker Historic District |
| Watkins Glen Grand Prix Course, 1948-1952 |
| Watson, Elkanah, House |
| Watson, James, House |
| WAVERTREE |
| Wesleyan Methodist Church |
| West Athens Hill Site |
| Westbeth |
| Westinghouse, George, Jr., Birthplace and Boyhood Home |
| West Point Foundry Archeological Site |
| Wiawaka Bateaux Site |
| Wilder Homestead |
| Willard, Emma, School |
| Winged Foot Golf Club |
| Wing Hall |
| Winslow Chemical Laboratory |
| W. & L. E. Gurley Building |
| Wollenberg Grain and Seed Elevator |
| Women’s Liberation Center |
| Women's Rights National Historical Park |
| Woodchuck Lodge (Burroughs, John, Home) |
| Wood, Jethro, House |
| Woodlawn Cemetery |
| Woodstock Music Festival Site |
| Woolworth Building |
| Wyckoff-Bennett Homestead |
| Wyckoff, Pieter, House |
| Yaddo |
| Zimmerman House |
Data from United States Park Service and Wikidata
