Arkansas - Criteria: C (architecture/engineering)
| McLean House |
| McNair, Wiley P., House |
| McRae, D. L., House |
| McRae House |
| McRae, T. C., House |
| McWilliams, J.H., House |
| McWilliams, W.F. & Estelle, House |
| Medical Arts Building |
| Meek Building |
| Mehaffey House |
| Mellettown United Methodist Church |
| Memphis and Arkansas Bridge |
| Memphis, Paris, and Gulf Depot |
| Memphis, Paris and Gulf Railroad Depot |
| Mena Kansas City-Southern Depot |
| Men's Gymnasium-University of Arkansas, Fayetteville |
| Mercantile Bank Building |
| Merchants and Planters Bank |
| Merchants and Planters Bank Building |
| Merchants & Farmers Bank |
| Merrill House |
| Merritt House |
| Merritt, S.D., House |
| Methodist Episcopal Church, South |
| Methodist Episcopal Church, South |
| Methodist Episcopal Church, South |
| Methodist Manse |
| Middle Fork of the Little Red River Bridge |
| Miller County Courthouse |
| Miller Creek Bridge |
| Miller, Emmett, House |
| Miller Homestead |
| Miller House |
| Miller, J. C., House |
| Mills House |
| Mills House |
| Milltown Bridge |
| Mims-Breedlove-Priest-Weatherton House |
| Minaret Manor |
| Mineral Springs Community Building |
| Mineral Springs Waterworks |
| Mirror Lake Historic District |
| Mississippi County Courthouse |
| Mississippi County Courthouse, Chickasawba District |
| Missouri and North Arkansas Depot-Bellefonte |
| Missouri and North Arkansas Depot-Leslie |
| Missouri Pacific Depot |
| Missouri Pacific Depot |
| Missouri-Pacific Depot |
| Missouri-Pacific Depot-Atkins |
| Missouri-Pacific Depot-Clarksville |
| Missouri-Pacific Depot-Newport |
| Missouri-Pacific Depot-Ozark |
| Missouri-Pacific Depot-Russellville |
| Missouri-Pacific Depot-Walnut Ridge |
| Missouri-Pacific Railroad Depot-Arkadelphia |
| Missouri-Pacific Railroad Depot-Camden |
| Missouri-Pacific Railroad Depot-Gurdon |
| Missouri-Pacific Railroad Depot-Hope |
| Missouri-Pacific Railroad Depot-Hot Springs |
| Missouri-Pacific Railroad Depot-Malvern |
| Missouri-Pacific Railroad Depot-McGehee |
| Missouri Pacific Railway Caboose #928 |
| Mitchell House |
| Mitchell House |
| Mitchell House |
| Mitchell, James, School |
| Mitchell-Ward House |
| Mo-Ark Baptist Academy |
| Monette Water Tower |
| Monroe County Bank Building |
| Monroe County Courthouse |
| Monte Ne |
| Monticello North Main Street Historic District |
| Moody House |
| Moore Building |
| Moore House |
| Moore House |
| Moore-Jacobs House |
| Moore, W. H., House |
| Moose Addition Neighborhood Historic District |
| Moose House |
| MORO BAY FERRY (towboat and barge) |
| Morrilton Commercial Historic District |
| Morrilton Railroad Station |
| Morris, Dr. John William, Clinic |
| Morris House |
| Morris House |
| Morris Institute Dairy Barn |
| Morris, Jim, Barn |
| Morrison Plantation Smokehouse |
| Morris, T. H., House |
| Morrow Hall |
| Morton, Mack, Barn |
| Moscow Methodist Church and Cemetery |
| Mountainaire Hotel Historic District |
| Mountain Fork Bridge |
| Mountain Home Commercial Historic District |
| Mountain View Farm |
| Mountain View Waterworks |
Data from United States Park Service and Wikidata
