Missouri - Role: Building
| Missouri Theater and Missouri Theater Building |
| Missouri United Methodist Church |
| Moberly Junior High School |
| Moberly Municipal Auditorium |
| Moellring, Frank, House |
| Moline Plow Company Building |
| Moller House |
| Moloney Electric Company Building |
| Monje, Paul, House |
| Monroe Hotel |
| Montauk State Park Open Shelter |
| Montgomery Opera House |
| Montgomery Ward and Company General Merchandise Warehouse |
| Montserrat Recreational Demonstration Area Rock Bath House |
| Montserrat Recreational Demonstration Area Warehouse #2 and Workshop |
| Moon Brothers Carraige Company Building |
| Moore-Dalton House |
| Moore House |
| Moore, J. Herbert, House |
| Moore, Thomas, House |
| More Automobile Company Building |
| Morgan County Courthouse |
| Morrill, Levi, Post |
| Morrison, Alfred W., House |
| Morrow, Johnson, House |
| Morton-Myer House |
| Mountain Grove Bandstand |
| Mountain Grove City Hall |
| Mount Horeb Baptist Church |
| Mount Nebo Baptist Church |
| Mount Pleasant School |
| Mount Washington School |
| Mount Zion Church and Cemetery |
| Mount Zion Lodge Masonic Temple |
| Mudd's Grove |
| Mule Barn Theatre |
| Municipal Courts Building |
| Municipal Service Building |
| Munro, John Manson, House |
| Murdock, C.A., Manufacturing Company Building |
| Murphy, Joseph and Ann, Residence |
| Murrell, George A., House |
| Mutual Ice Company Building |
| Mutual Musicians' Foundation Building |
| Myers, George J., House |
| Myers, John B., House |
| Nance, Della, House |
| Narrow Gauge Railroad Station |
| National Bank of Commerce Building |
| National Bank of Rolla Building |
| National Candy Company Factory |
| National Cash Register Company Sales and Repair Building |
| National Cloak and Suit Company |
| Neely Elementary School |
| Neff Tavern Smokehouse |
| Negro Masonic Hall |
| Neighborhood Gardens Apartments |
| Nelson, Thomas, House |
| Neosho Colored School |
| Neosho High School |
| Neosho Wholesale Grocery Company |
| Netter-Ullman Building |
| Nettleton, George H., Home |
| Newbern Hotel |
| Newbill-McElhiney House |
| Newcomer's, D. W., Sons Funeral Home |
| New England Apartments |
| New Hope Primitive Baptist Church |
| New Lebanon Cumberland Presbyterian Church and School |
| Newman Brothers Building |
| New York Life Building |
| Nicholson, George E., House |
| Nicolay House |
| Nims Mansion |
| Nipher, Prof. Frances e., House |
| Nodaway County Courthouse |
| Noland, Smallwood V., House |
| Nooter Corporation Building |
| Norman School |
| Norris, Jewett, Library |
| North Broadway Glass and Plow Warehouse District |
| Northern Methodist Episcopal Church of Clarksville |
| North, James, House |
| Oakley Chapel African Methodist Episcopal Church |
| Oakview Place Apartments |
| Oakwood |
| O'Bannon Homestead |
| Oberman, D.M., Manufacturing Co. Building |
| Odessa Ice Cream Company Building |
| Oehler Brick Buildings |
| O'Hara, Mark, House |
| Old Barnhill Building |
| Old Calabosse |
| Old California City Hall and Fire Station |
| Old City Hall |
| Old Gerald School |
| Old Laclede Gas and Light Company Building |
| Old McDonald County Courthouse |
| Old McDonald County Jail |
| Old Mill at Montauk State Park |
Data from United States Park Service and Wikidata
