All - Architectural style - Neoclassical architecture
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple and World Theater Building |
| Masonic Temple Building |
| Masonic Temple Building |
| Masonic Temple Building |
| Masonic Temple-Naval Lodge No. 87, Free and Accepted Masons |
| Masonic Temple-Newport Lodge No. 445 F. & A.M. |
| Masonic Temple Theater |
| Masonic Widows and Orphans Home |
| Massachusetts State Armory |
| Massey Hill High School |
| Masters, Andrew Jackson and Sarah Jane, House |
| Matewan Historic District |
| Mather Building/Franklin & DeHaven Jewelers |
| Matthews-Atwood House |
| Mayberry, Henry H., House |
| Maycroft, The |
| Mayfair Hotel |
| Maynard State Bank |
| Mayo Building |
| Mayo, John C. C., Mansion and Office |
| Mays, James Henry and Ida Owen, House |
| Mayworth School |
| McAuley School District No. 27 |
| McAvinney Fourplex |
| McCanless-Williams House |
| McCan-Nave House |
| McClennan County Courthouse |
| McClintock House |
| McClung, J. J., House |
| McColl, Anthony M., House |
| McCollum-Murray House |
| McCormick County Courthouse |
| McCristy-Knox Mansion |
| McCrory Building |
| McDaniel-Tichenor House |
| McDonald, D. C., Building |
| McDonald Hall |
| McDonell High School |
| McDougald, John A., House |
| McDougal, Stiles, House |
| McDowell County Courthouse |
| McFaddin House Complex |
| McFerran, J. B., School |
| McGavock-Gaines House |
| McIntosh-Goodrich Mansion |
| McIver, Charles D., School, Former |
| McKim, H. A., Building |
| McKinley School |
| McKinney Building |
| McKinney, Henry Crawford, House |
| McKinney Hospital, Old |
| McLachlen Building |
| McLean County Courthouse and Square |
| McLure, John, House |
| McMillan, Reuben, Free Library |
| McMurry College Administration Building |
| McNutt-Howard House |
| McRae, Max and Emma Sue, House |
| McRee, James Price, House |
| McWhirter House |
| Meade Memorial Gymnasium |
| Meaders, F.W., House |
| Mebane Commercial Historic District |
| Mechanic Institute |
| Mechanics Building and Loan Company |
| M. E. Church, South |
| Mecklenburg County Courthouse |
| Medford Carnegie Library |
| Meeker's Hardware |
| Meisner, George, House |
| Melrose Public Library |
| Memorial Arch |
| Memorial Building |
| Memorial Hall |
| Memorial Hall |
| Memorial Hall |
| Memorial Hall Library |
| Memorial Industrial School |
| Memorial Library |
| Memorial Reformed Church |
| Menominee County Courthouse |
| Men's Hall |
| Mercantile Bank Building |
| Merchants and Planters Bank |
| Merchants and Planters Bank |
| Merchants & Farmers Bank |
| Merchants National Bank of Sacramento |
Data from United States Park Service and Wikidata