Minnesota - Area of significance: Architecture
| Lonsdale Public School |
| Lord, Drew H., House |
| Louisburg School |
| Lovell, Ellen, M., House |
| Lowertown Historic District |
| Luckert, David, House |
| Lumber Exchange Building |
| Lund, John G., House |
| Lundring Service Station |
| Madison Carnegie Library |
| Madison City Hall |
| Mahnomen City Hall |
| Mahnomen County Courthouse |
| Mahnomen County Fairgrounds Historic District |
| Main Building, Concordia College |
| Main Street Commercial Buildings |
| Maiser, Charles, House |
| Majerus, Michael, House |
| Manfred, Frederick and Maryanna, House |
| Manhattan Building |
| Mankato Public Library and Reading Room |
| Mantorville Historic District |
| Maplewood Chapel |
| Marcell Ranger Station |
| Marine on St. Croix Historic District |
| Marnach, Nicholas, House |
| Martin, Charles J., House |
| Martin County Courthouse |
| Martin, Wiliam, House |
| Marysville Swedesburg Lutheran Church |
| Masonic Temple |
| Masonic Temple Delta Lodge No. 119 |
| Matson, Mike and Mary, Historic Farmstead |
| Maynard State Bank |
| Mayo, Dr. William J., House |
| Mayowood Historic District |
| McCall, Cormack, House |
| McCall, Thomas, House |
| McCarthy, Timothy J., Building |
| McGill, Andrew R., House |
| McKusick, Ivory, House |
| McLeod County Courthouse |
| McMahon, Thomas Bridget Shanahan, House |
| Memorial Library |
| Merchants National Bank |
| Merchants National Bank |
| Methodist Episcopal Church |
| Mickey's Diner |
| Milaca Municipal Hall |
| Mille Lacs County Courthouse |
| Miller, Harrison, Farmhouse |
| Miller, John, Farmhouse |
| Milwaukee Avenue Historic District |
| Minneapolis Armory |
| Minneapolis Brewing Company |
| Minneapolis City Hall-Hennepin County Courthose |
| Minneapolis Public Library, North Branch |
| Minneapolis St. Paul and Sault Ste. Marie Depot |
| Minneapolis Warehouse Historic District |
| Minneapolis YMCA Central Building |
| Minnehaha Grange Hall |
| Minnehaha Historic District |
| Minneopa State Park WPA/Rustic Style Historic Resources |
| Minnesota Building |
| Minnesota Historical Society Building |
| Minnesota Home School for Girls Historic District |
| Minnesota Mutual Life Insurance Company Building |
| Minnesota Soldiers' Home Historic District |
| Minnesota State Capitol |
| Minnesota State Reformatory for Men Historic District |
| Minnesota State Training School |
| Minnesota Territorial-State Prison Warden's House |
| Minnetonka Town Hall |
| Mitchell-Tappan House |
| Mock Cigar Factory and House |
| Moe, Bergetta, Bakery |
| Mohrbacher, Paul, House |
| Moline, Milburn and Stoddard Company |
| Monson Lake State Park CCC/WPA/Rustic Style Historic Resources |
| Montevideo Carnegie Library |
| Montogomery, Sarah and Thomas, House |
| Moore, George M., Farmstead |
| Morris Carnegie Library |
| Morrison County Courthouse |
| Morse Jr., Elisha and Lizzie, House |
| Moser, Louis J., House |
| Mower, John and Martin, House and Arcola Mill Site |
| Muench, Adolf, House |
| Munch, Paul, House |
| Munch-Roos House |
| Munger Terrace |
| Murdock, Sabin S., House |
| Muskego Church |
| Naniboujou Club Lodge |
| National Farmers' Bank |
| Needham-Hayes House |
| Neils, Frieda and Henry J., House |
| Nelimark, Erick and Kristina, Sauna |
| Nelson, Perry, House |
| Nelson School |
Data from United States Park Service and Wikidata
