Mississippi - Area of significance: Architecture
| Meridian Waterworks Pumping Station and Clear Water Basin |
| Merrehope |
| Merrehope Historic District |
| Merrill-Maley House |
| Merrill-Newhardt House |
| Methodist Parsonage House |
| Midtown Corinth Historic District |
| Mid-Town Historic District |
| Midway Methodist Church and Cemetery |
| Miller Plantation House |
| Mississippi Federation of Women's Clubs |
| Mississippi Foundry and Machine Company Building |
| Mississippi Governor's Mansion |
| Mississippi Industrial College Historic District |
| Mississippi Institute of Aeronautics Aircraft Hangars |
| Mississippi State Capitol |
| Misterfeldt Home Place |
| Mistletoe |
| Monmouth |
| Monroe County Courthouse |
| Monteigne |
| Montgomery Hall |
| Montgomery House |
| Monticello Consolidated School |
| Montpellier |
| Montrose Presbyterian Church |
| Moore Lookout Tower |
| Moore, Noah, House |
| Moreton Jr., A.E., House |
| Moreton, Robert D., House |
| Morris, Joseph Henry, House |
| Mount Holly |
| Mount Hope |
| Mount Olive |
| Mount Olive Historic District |
| 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 |
| Myrtle Street Historic District |
| Nash Street Historic District |
| 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 |
| Nelson Tenement |
| New Albany Downtown Historic District |
| New Albany Historic District |
| New Orleans and Great Northern Railroad Depot-Tylertown |
| Newsom - Adams Family Farm House |
| Newsom-Lane House |
| Newsom-Smith House |
| Newton County American Legion Post No. 89 Hut |
| Newton West Church Historic District |
| New York, The |
| Niles House |
| Niles, Judge Henry C., House |
| Noel, Gov. Edmund F., House |
| North Aberdeen Historic District |
| North Broadway Historic District |
| North Church Primary School |
| North Elm Historic District |
| North Lamar Historic District |
| North Main Street Historic District |
| North Manor Apartments |
| North Memphis Street Historic District |
| North Panola Street Historic District |
| North Park Street Historic District |
| Norwood-TWL Building |
| N & W Overall Company Building |
| Oak Grove |
| Oakland |
| Oakland |
| Oakland Chapel |
| Oak Park School Complex |
| Oaks Historic District |
| Oakwood |
| Office and Banking House of West Feliciana Railroad |
| O'Keefe-Clark Boarding House |
| Okolona Historic District |
| Oktibbeha Gardens Subdivision 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 Homestead |
| Old Noxubee County Jail |
| Old Ocean Springs High School |
| Old Ocean Springs Historic District |
| Old Philadelphia Church |
| Old Spanish Fort |
Data from United States Park Service and Wikidata
