Mississippi - Criteria: C (architecture/engineering)
| Montpellier |
| Montrose Presbyterian Church |
| Moore Lookout Tower |
| Moore, Noah, House |
| Moreton Jr., A.E., House |
| Moreton, Robert D., House |
| Morris, Joseph Henry, House |
| Moss Point Historic District |
| Motley Slough Bridge |
| Mound Bayou Historic District |
| Mount Holly |
| Mount Hope |
| Mount Repose |
| Mt. Moriah School |
| Mt. Pleasant Methodist Church |
| Mt. Zion Baptist Church |
| Mullendore House |
| Municipal Building |
| Murphey-Jennings House |
| Myers-Hicks Place |
| Myrtle Bank |
| Natchez Bluffs and Under-the-Hill Historic District |
| Natchez On-Top-of-the-Hill Historic District |
| Nativity BVM Cathedral |
| Naval and Marine Corps Reserve Center |
| Neibert-Fisk House |
| Nelson, John C., House |
| New Albany Downtown Historic District |
| New Orleans and Great Northern Railroad Depot-Tylertown |
| Newsom - Adams Family Farm House |
| Newton County American Legion Post No. 89 Hut |
| New York, The |
| Niles House |
| Niles, Judge Henry C., House |
| Noel, Gov. Edmund F., House |
| North Broadway Historic District |
| North Church Primary School |
| North Lamar Historic District |
| North Main Street Historic District |
| North Manor Apartments |
| Norwood-TWL Building |
| N & W Overall Company Building |
| Oak Grove |
| Oakland |
| Oakland Chapel |
| Ocean Springs Community Center |
| Odd Fellows and Confederate Cemetery |
| Office and Banking House of West Feliciana Railroad |
| O'Keefe-Clark Boarding House |
| Okolona Historic District |
| Old Bay St. Louis Historic District |
| Old Brickyard Place |
| Old Courthouse, Warren County |
| Old Farmers and Merchants State Bank |
| Old Fort House |
| Old Hattiesburg High School |
| Old Hill Place Bridge |
| Old Homestead |
| Old Noxubee County Jail |
| Old Ocean Springs High School |
| Old Philadelphia Church |
| Old Spanish Fort |
| Old State Capitol |
| Old Superintendent's House, Tupelo Fish Hatchery |
| Old Tishomingo County Courthouse |
| Old Water and Electric Light Plant |
| Old Wesson Public School Building |
| Olsen, Lena, House |
| Orange Avenue Historic District |
| Overstreet School Historic District |
| Owen-Richardson-Owen House |
| Oxford Courthouse Square Historic District |
| Parsons, C. H., House |
| Pascagoula High School, Old |
| Pascagoula Street Railroad and Power Company |
| Patterson, Charles, House |
| Paxton House |
| Pearl River Bridge on Mississippi Highway 28 |
| Pearl Street Historic District |
| Pecan Grove |
| Pemberton's Headquarters |
| Peoples Bank and Trust Company |
| Peoples Bank of Biloxi |
| Perkins House |
| Peyton House |
| Phoenix Hall-Johnson-Harper House |
| Pilgrim's Rest |
| Pine Ridge Church |
| Planters Hall |
| Pleasant Hill |
| Pleasant Valley Methodist Church |
| Popular Price Store |
| Porter-Crawford House |
| Porter House |
| Porterville General Store |
| Prairie Place |
| Prentiss Normal and Industrial Institute Historic District |
| Provine House |
| Purnell, James C., House |
| Quitman Depot |
Data from United States Park Service and Wikidata