Rhode Island - Role: Building
| Harris Mill |
| Harris Warehouse |
| Hay and Owen Buildings |
| Hearthside |
| Heaton and Cowing Mill |
| Hicks, Joseph, House |
| Holy Trinity Church Complex |
| Honan's Block and 112-114 Main Street |
| Hope Block and Cheapside |
| Hopelands |
| Hope Street School |
| Hope Webbing Company Mill |
| Hopkins, Esek, House |
| Hopkins, Gov. Stephen, House |
| Hoppin, Hamilton, House |
| Hoppin, Thomas F., House |
| Hoxsie, John, House |
| Hughes, Thomas H., House |
| Hunter House |
| Hygeia House |
| Indian Oaks |
| Ives, Thomas P., House |
| Jackson, Benjamin Aborn, House |
| Jamestown Windmill |
| Jeffrey, Joseph, House |
| Jenckes House |
| Jenckes House |
| Jenckes Mansion |
| Jillson, Luke, House |
| Jones Warehouses |
| Joseph, Lyman C., House |
| Joy Homestead |
| Jules Desurmont Worsted Company Mill |
| Kent County Courthouse |
| Kenyon's Department Store |
| King, Edward, House |
| Kingscote |
| Kingston Railroad Station |
| Knight Estate |
| Knightsville Meetinghouse |
| Kotzow, Louis, House |
| Ladd Observatory |
| Lawton-Almy-Hall Farm |
| Lawton's Mill |
| L'Eglise du Precieux Sang |
| Leroy Theatre |
| Lewis-Card-Perry House |
| Lillibridge, Simon, Farm |
| Linton Block |
| Lippitt, Gov. Henry, House |
| Lippitt Mill |
| Loew's State Theatre |
| Logee House |
| Longfield |
| Louttit Laundry |
| Lucas-Johnston House |
| Luce Hall |
| L'Union Saint Jean-Baptist d' Amerique |
| Lymansville Company Mill |
| Lynch, Matthew, House |
| Malbone |
| Malbone, Francis, House |
| Manton-Hunt-Farnum Farm |
| Marble House |
| Marchant, Henry, Farm |
| Market House |
| Mason, Israel B., House |
| Massie Wireless Station |
| Mathewson Farm |
| Mawdsley, Capt. John, House |
| Mechanical Fabric Company |
| Merchants Bank Building |
| Metcalf-Franklin Farm |
| Miller, William Davis, House |
| Minkins, John Carter, House |
| Mitchell-Arnold House |
| Modern Diner |
| Montgomery, Nathaniel, House |
| Moore Fabric Company Plant |
| Mount Hope Farm |
| Mount Vernon Tavern |
| Mowry, Tyler, House |
| Mowry, William, House |
| Mt. Hygeia |
| Murphy, Dennis J., House at Ogden Farm |
| Narragansett Baptist Church |
| Narragansett Pier Life Saving Station |
| National and Providence Worsted Mills |
| Naushon Company Plant |
| New England Butt Company |
| Newman Congregational Church |
| Newport Artillery Company Armory |
| Newport Casino |
| Newport Steam Factory |
| Nicholson File Company Mill Complex |
| Nightingale-Brown House |
| Northrup, Stephen, House |
| Oak Glen |
| O'Bannon Mill |
| Oddfellow's Hall |
Data from United States Park Service and Wikidata