Louisiana - Role: Building
| McCulla House |
| McDonald House |
| McDonogh 19 Elementary School |
| McDonogh School No. 6 |
| McGehee Hall, Southeastern Louisiana State University |
| McGehee House |
| McGill, Dr. Robert E. |
| McKinley High School |
| McNeely Hotel |
| McNeely House |
| McNeese State University Auditorium |
| McNutt School |
| Meadows House |
| Meeker Sugar Refinery |
| Melady House |
| Merchants and Planters Bank |
| Merieult House |
| Mer Rouge High School |
| Methodist Home Hospital |
| Meyer, Adolph, School |
| Midland Branch Railroad Depot |
| Miles-Hanna House |
| Miller Farmstead |
| Miller House |
| Miller, J. M., and Brother Store |
| Miller Memorial Library |
| Miller-Roy Building |
| Millet House |
| Milner Motors |
| Mintmere |
| Mix Store and Post Office |
| Monk House |
| Montegut Plantation House |
| Montegut School |
| Montet House |
| Monte Vista Plantation House |
| Montrose Plantation House |
| Moore, Bouey, Homestead |
| Moore House |
| Moore, R. T., House |
| Mooringsport Masonic Lodge |
| Mooringsport School |
| Moreauville High School |
| Morehouse Parish Courthouse |
| Morel-Nott House |
| More Mileage Gas Station |
| Morgan City City Hall and Courthouse |
| Moro Plantation House |
| Moss Grove Plantation House |
| Moundville Plantation House |
| Mount Hope Plantation House |
| Mount Lebanon Baptist Church |
| Mount's Villa |
| Mouton, Alexandre, House |
| Mouton, Charles H., House |
| Mouton House |
| Mt. Olivet Episcopal Church and Cemetery |
| Mt. Sinai Rosenwald School |
| Mulberry Grove |
| Mulberry Grove |
| Muller's Department Store |
| Mundy-McFarland House |
| Murray Henderson Elementary School |
| Myrtle Grove Plantation |
| Myrtle Hill Plantation House |
| Myrtles Plantation |
| Myrtlewood |
| Napoleon Street Branch Library |
| Narcisse Prudhomme Plantation |
| Narrows Plantation House |
| National American Bank Building |
| Nelson House |
| Nelson, Médard, Home and School |
| Nesom, G.W., House |
| Neville High School |
| Newberger House |
| New Iberia High School |
| New Orleans and Northeastern-New Orleans and Great Northern Railroad Depot |
| New Orleans Cotton Exchange Building |
| New Orleans Federal Savings and Loan Building |
| New Orleans Jazz National Historical Park |
| Nicholls, Francis T., Junior College Main Building |
| Nichols House |
| Nicholson School |
| Noble Building |
| North Bend |
| Norwegian Seamen's Church |
| Nottoway Plantation House |
| Oak Alley Plantation |
| Oak Grove Community House |
| Oak Grove Plantation Dependencies |
| Oak Hall |
| Oakland Plantation House |
| Oaklawn Manor |
| Oaklawn Plantation |
| Oakley Plantation House |
| Oaks Hotel |
| Oaks, The |
| Oaks, The |
| Oakwold Plantation House |
Data from United States Park Service and Wikidata
