All - Architectural style - Colonial Revival architecture
| Mallett Hall |
| Mallows, The |
| Manchester Community Building |
| Mancos High School |
| Mann House |
| Mann Manor |
| Manor House |
| Manor School |
| Maple Terrace Court and Walton Apartments |
| Marable, George, House |
| Marcia Browne Junior High School |
| Marcus Hook Range Rear Light |
| Marcy Village Apartments |
| Maring, Grace Keiser, Library |
| Marion County Housing Committee Demonstration House |
| Markham House |
| Marlborough Congregational Church |
| Marriott School |
| Marshall, Caleb H., House |
| Marshall High School |
| Martin, Harden Thomas, House |
| Martin, William H., House |
| Martin, William, House |
| Mary Elizabeth Hospital |
| Mary's Grove |
| Mason City School |
| Mason City YMCA |
| Mason House |
| Masonic Temple |
| Masonic Temple |
| Masonic Widows and Orphans Home |
| Massachusetts Avenue Parking Shops |
| Massachusetts Fields School |
| Massachusetts Historical Society Building |
| Massad, Anthony, Three-Decker |
| Mather Inn |
| Matthew Fontaine Maury School |
| Mattis, George and Elsie, House |
| Mattocks, William Edward, House |
| Mauk School |
| Maxwell-Kirby House |
| Mayfair Mansions Apartments |
| Maynard, Charles, House |
| Mayo House |
| McBean Cottage |
| McCall, Tracy, House |
| McCanless, Napoleon Bonaparte, House |
| McCarron, Andrew, Three-Decker |
| McCarthy-Platt House |
| McClelland, Harry S., House |
| McClelland, J. T. and Minnie, House |
| McClelland Orphanage |
| McClung, J. J., House |
| McClure, Alexander K., School |
| McCormic-Bishop House |
| McCurdy Hotel |
| McCutchen Meadows |
| McDermott, John B., Three-Decker |
| McFadden, John H., House |
| McFarlin Memorial Auditorium |
| McGehee Post Office |
| McGhee, C.L. and Bessie G., House |
| McGill, Dr. Robert E. |
| McGill, John H., House |
| McGraw, Donald and Ruth, House |
| McGregor Hall |
| McGuinness, Patrick, Three-Decker |
| McGuire, Thomas R., House |
| McKennon House |
| McKenzie, Henry, House |
| McKinney, John Washington, House |
| McLaren, William and Elizabeth, House |
| McLaughlin, Charles D., House |
| McLean House |
| McLean, Isaac, House |
| McLemore House |
| McLeod-Rice House |
| McManus, George, House |
| McNeer House |
| McPartland, Frank, Three-Decker |
| McVitty Home |
| Meadowmont |
| Means, V. R., House |
| Mebane Commercial Historic District |
| Medford Post Office |
| Meeting House of the Friends Meeting of Washington |
| Meeting House of the Second Parish in Woburn |
| Mehaffey House |
| Meitzen House |
| Melady House |
| Mellinger, Marguerite Meachum & John S., House |
| Melwood Apartments |
| Memorial Building |
| Memorial Hall Library |
| Memorial Industrial School |
| Merestone |
| Meriden Town Hall |
| Meridian Manor |
| Meridian Waterworks Pumping Station and Clear Water Basin |
| Meriwether County Courthouse |
Data from United States Park Service and Wikidata