All - Architectural style - Renaissance Revival architecture
| Longview Farm House |
| Longwell, David, House |
| Lorain County Courthouse |
| Lorain YMCA Building |
| Lord Baltimore Hotel |
| Lore Historic District |
| Louisville and Nashville Passenger Station |
| Love County Courthouse |
| Lower Basin Historic District |
| Lower Commerce Street Historic District |
| Lower Dauphin Street Historic District |
| Lower Main Street Historic District |
| Lowertown Historic District |
| Lutz, John F., Furniture Co. & Funerary |
| Lynfeld |
| Lynn Item Building |
| Lynn Public Library |
| Lyric Theatre |
| Lytle Park Historic District |
| Machias Post Office and Customhouse |
| Mack, Gerald, House |
| Madison-Stewart Historic District |
| Main and Third Street Cluster |
| Maine Supply Company Building |
| Main Gate, Washington Navy Yard |
| Main Hall/La Crosse State Normal School |
| Main Sewerage Pumping Station, District of Columbia |
| Main Street Historic Distrct |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street/Market Square Historic District |
| Majestic Hotel |
| Majestic Manufacturing Company Buildings |
| Majestic Theatre |
| Mallet, Joseph, House |
| Malvern Road School |
| Mandel Brothers Warehouse Building |
| Manheim Borough Historic District |
| Manlius Village Historic District |
| Manship House |
| Maple Grove |
| Mapleton |
| Maplewood Historic District (Boundary Increase) |
| Maplewood School |
| Marble, Jerome, House |
| Marcus Whitman Hotel |
| Marian Apartments |
| Marianna Missouri-Pacific Depot |
| Marion Castle, Terre Bonne |
| Marion Historic District |
| Marion Male Academy |
| Markell, George, Farmstead |
| Market Square |
| Mark, John, Three-Decker |
| Mark Twain Hotel |
| Marshall County Courthouse |
| Marshall County Court House |
| Marshall Hotel |
| Marshall House |
| Marshall House |
| Marsh, Martin Luther, House |
| Martin, Charles J., House |
| Martin Farm Complex |
| Martin Farmstead |
| Martin House |
| Martin, Sarah, House |
| Martin's Brandon Church |
| Martinsburg Town Hall |
| Martisco Station |
| Marx House |
| Mary Elizabeth Day Nursery |
| Maryhill |
| Marzen House |
| Masonic Building |
| Masonic Hall |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple-Auburn |
| Masonic Temple Building |
| Matson Building and Annex |
| Maulbridge Apartments |
| Mayberry, H. G. W., House |
| May, David and Mary, House |
| Mayhurst |
| McAdory Building |
| McAdow, Perry, House |
| McCaffrey House |
| McCanless, Walter, House |
| McCarthy House |
| McCarthy, Timothy J., Building |
| McCarty, John W., House |
| McCleary Elementary School |
| McClellan's General Store |
| McCrea, Matthew, House |
| McFarlane-Bredt House |
| McGeer, John, House |
| McGrew, James Clark, House |
| McHenry Mansion |
Data from United States Park Service and Wikidata
