Massachusetts - Area of significance: Architecture
| Malden City Infirmary |
| Malvern Road School |
| Manchaug Village Historic District |
| Manchester Village Historic District |
| Manley, William M., House |
| Manning-Ball House |
| Manning, Charles, House |
| Manning House |
| Manning, Jacob, House |
| Manning, Joseph K., House |
| Manning Manse |
| Mann, James H., House |
| Manomet Mills |
| Manse, The |
| Maple Avenue Historic District |
| Maples Cottage |
| Maple Street Cemetery |
| Maple Street Historic District |
| Maple-Union Corners |
| Maplewood Hotel |
| Marblehead Historic District |
| Marblehead Light |
| Marble, Jerome, House |
| Marcel Breuer House and Studio |
| March, Samuel, House |
| Marcia Browne Junior High School |
| Marconi-RCA Wireless Receiving Station |
| Marcy, Mrs. R., House |
| Mariner's House |
| Market Square Historic District |
| Mark, John, Three-Decker |
| Marlborough Center Historic District |
| Marsh, Alexander, House |
| Marsh, Charles, House |
| Marsh, Edwin W., House |
| Marshfield Hills Historic District |
| Marston, William, House |
| Martha's Vineyard Campground |
| Martin, Aaron, House |
| Martin, Aaron, Houses |
| Martin Farm |
| Martin House |
| Martin House and Farm |
| Marvel, Theodore L., House |
| Mary E. Wells School |
| Masonic Block |
| Masonic Temple |
| Masonic Temple |
| Masonic Temple |
| Mason, John, House |
| Mason, John, House |
| Mason, Josiah, Jr., House |
| Mason, N. S., House |
| Mason, William P., House |
| Massachusetts Avenue Historic District |
| Massachusetts Fields School |
| Massachusetts General Hospital |
| Massachusetts Mental Health Center |
| Massachusetts School of Art |
| Massachusetts State Armory |
| Massachusetts Statehouse |
| Massad, Anthony, Three-Decker |
| Massasoit Fire House No. 5 |
| Mausert Block |
| Maxwell, Louis N., House |
| MAYFLOWER II (square-rigged sailing ship) |
| Maynard, Charles, House |
| May Street Historic District |
| McCafferty, Elizabeth, Three-Decker |
| McCall, Samuel W., House |
| McCarron, Andrew, Three-Decker |
| McDermott, John B., Three-Decker |
| McElwain, William H., School |
| McFarland, William, House |
| McGill, John H., House |
| McGrath, Patrick, Three-Decker |
| McGuinness, Patrick, Three-Decker |
| McIntire, Herman, House |
| McIntosh Building |
| McIntosh Corner Historic District |
| McKay, Donald, House |
| McKinney Building |
| McKinstrey House |
| McKinstry, William, Farmhouse |
| McKinstry, William, Jr., House |
| McKnight District |
| McLean Hospital National Register District |
| McLean, Isaac, House |
| McPartland, Frank, Three-Decker |
| McPartland, James, Three-Decker |
| Mead, Alpheus, House |
| Mechanics Block Historic District |
| Mechanics Hall |
| Mechanics' Hall District |
| Mechanics Mill |
| Medfield State Hospital |
| Medway Village Historic District |
| Meetinghouse Common District |
| Meetinghouse Green Historic District |
| Meeting House of the Second Parish in Woburn |
Data from United States Park Service and Wikidata