All - Architectural style - Colonial Revival architecture
| Merrill-Maley House |
| Merrill-Poor House |
| Merritt-Winstead House |
| Merrybrook |
| Methodist Deaconess Institute-Esther Hall |
| Michaux Park Historic District |
| Midlands |
| Milbank, Brinckerhoff, and Fiske Halls |
| Millboro School |
| Miller, Arthur, House |
| Miller-Curtis House |
| Miller, Ezekial and Mary Jane, House |
| Miller House |
| Miller House |
| Miller-Mackey House |
| Miller-Porter-Lacy House |
| Miller-Rowe-Holgate House |
| Miller's House |
| Miller, Thomas C., Public School |
| Miller, William Davis, House |
| Mill Farm Inn |
| Milmoral |
| Milroy-Muller House |
| Miner, Alice T., Colonial Collection |
| Miner Normal School |
| Minot, George R., House |
| Minthorn Hall |
| Mintzer House |
| Mission Parkway |
| Mission San Francisco de la Espada |
| Mission San Juan Capistrano |
| Mississippi County Courthouse, Chickasawba District |
| Mitchell, Guy, House |
| Model School |
| Mohawk Building |
| Moise, Julius J., House |
| Monte Vista Hotel |
| Montgomery, T. Harlan and Helen, House |
| Montgomery, Walter Scott, House |
| Montgomery Ward Building |
| Monticola |
| Mooney, William C., House |
| Moore, Charles H., House |
| Moore House |
| Moore, Robert Joseph, House |
| Moore, Thomas, House |
| Moore, W. H., House |
| Morehead City Historic District |
| Moreland |
| Morris, Joseph Henry, House |
| Morris Memorial Hospital for Crippled Children |
| Morris-Moore House |
| Morrocroft |
| Morschauser, Charles, House |
| Morse, Asa, Farm |
| Morse, Burton, House |
| Morse, Wayne, Farm |
| Morton, Benjamin, House |
| Morton Memorial Library |
| Morton Memorial Library |
| Moss-Foster House |
| Motley, John Lothrop, School |
| Motz, Charles, House |
| Moulton-Wells House |
| Moultrie High School |
| Mountain Home Carnegie Library |
| Mountain View Farm |
| Mountain View House |
| Mountainville Grange Hall |
| Mount Carmel Congregational Church and Parish House |
| Mount Cuba |
| Mount Hood Masonic Temple |
| Mount Pleasant |
| Mount Sharon |
| Mount St. Joseph Academy |
| Moye, Jesse R., House |
| Moylan, Maj. Myles, House |
| Mt. Olive Rosenwald School |
| Mt. Prospect School for Boys |
| Mt. Tabor Methodist Episcopal Church |
| Mt. Zion Baptist Church |
| Mukai Cold Process Fruit Barrelling Plant |
| Mulcahy House |
| Mullins Court |
| Multnomah County Poor Farm |
| Mulville House |
| Municipal Building |
| Munroe Building |
| Murphey-Jennings House |
| Murphy Farms Number 1 |
| Murphy, Timothy, House |
| Musselman Cottage |
| Myers and Gross Building |
| NAMCO Block |
| Nash, Arthur C. and Mary S.A., House |
| Nash County Courthouse |
| Nash House |
| Nash House |
| Nathaniel Parker Gage School |
| Nathan Warnick Apartments |
Data from United States Park Service and Wikidata
