All - Architectural style - Greek Revival architecture
| Millford Plantation |
| Mill Hill |
| Mill Hollow House, The |
| Mill Island |
| Mills, Gen. William A., House |
| Mills House |
| Mills House |
| Millwood |
| Milne, Robert, House |
| Milton Center Historic District |
| Milton State Bank |
| Milwaukee and St. Paul Railway Combination Depot |
| Mimosa Hall |
| Mims, Britton, Place |
| Minch, Capt., House |
| Minterburn Mill |
| Mintmere |
| Mississippi Governor's Mansion |
| Mitchell House |
| Mitchell-Rountree House |
| Mitchell's Brick House Tavern |
| Mitchell-Shealy House |
| Mitchell, William, House |
| Mixter Blacksmith Shop |
| Mobile City Hospital |
| Mobley, Col. Green G., House |
| Moffat, John S., House |
| Mohris-Abschier House |
| Moller House |
| Monk House |
| Monkton Borough Baptist Church |
| Monmouth |
| Monroe-Crook House |
| Monroe Hill |
| Monroe Street East Historic District |
| Monsieur Giron's Confectionary |
| Montague, Henry, House |
| Monterey |
| Montgomery County Courthouse |
| Montgomery, Dr. Thomas, House |
| Montgomery Hill Baptist Church |
| Monticello High School |
| Monticello Methodist Church |
| Monticola |
| Montpellier |
| Montrose Plantation House |
| Montville Baptist Church |
| Monumental Church |
| Moorefield Historic District |
| Moore-Holt-White House |
| Moore House |
| Moore-Jacobs House |
| Moore, John, House |
| Mooreland |
| Moore, Simeon, House |
| Moore, Susan J. Armistead, House |
| Moore-Youse-Maxon House |
| Mordecai House |
| Morehouse-Downes House |
| Morehouse, Jeremiah, House |
| Morewood School |
| Morgan Chapel and Graveyard |
| Morgan, George Pinkney, House |
| Morgan-Gold House |
| Morgan, John Tyler, House |
| Morgan's Grove |
| Morgan, William G., House |
| Moro Plantation House |
| Morrill, Lot, House |
| Morris County Courthouse |
| Morris, Joseph Henry, House |
| Morrow County Courthouse And Jail |
| Morrow, William P., House |
| Morse-Barber House |
| Morse Cobblestone Farmhouse |
| Morse, LeGrand, House |
| Morss Homestead/Federal City Homestead |
| Mortland Family Farm |
| Morton, Asher, Farmstead |
| Morton, Samuel S., House |
| Morven Park |
| Moses, Ogilvie, Farmhouse |
| Mosgrove, Dr. Adam, House |
| Moss Grove Plantation House |
| Moss Neck Manor |
| Mott Drug Store |
| Mould, Moses, House |
| Mount Adams |
| Mountain Home |
| Mountain View Farm |
| Mount Aventine |
| Mount Bethel Methodist Church |
| Mount Fair |
| Mount Holly Mausoleum |
| Mount Hope |
| Mount Hope |
| Mount Hope Plantation House |
| Mount Lebanon Baptist Church |
| Mount Liberty Tavern |
| Mount Mourne |
Data from United States Park Service and Wikidata
