Mississippi - Criteria: C (architecture/engineering)
| Knox, Dr. Isaac Cecil, House |
| Koontz House |
| Kosciusko Historic District |
| Krebs, Agnes V., House |
| Krebs, James, House |
| Kyle, John Curtis, House |
| Kyle, Judge John William, Law Office |
| Labauve, Felix, House |
| Lacy Homestead |
| Lafayette County Courthouse |
| Lamar Hotel |
| Lampkin-Owens House |
| Lane, John, House |
| Lanier House |
| Lanier Junior-Senior High School (Colored) |
| Lansdowne |
| Laurel Central Historic District |
| Laurel Hill Plantation |
| Laurietta |
| Lawrence County Courthouse |
| Leaf River Bridge |
| Lea, Hampton, House |
| Leavenworth-Wasson-Carroll House |
| Lebanon Presbyterian Church |
| Lee County Courthouse |
| Lee-Dubard House |
| Lee House |
| Lee-Mitts House |
| Lee, S. D., House |
| Legion State Park |
| Leland Historic District |
| Levin, Leonard, House |
| Lewis, A. J., House |
| Lewis, Col. Alfred E., House |
| Lewis, Ervin, House |
| Lexington Historic District |
| Liberty Hall |
| Liberty Presbyterian Church |
| Lindamood Building of Palmer Home for Children |
| Linden |
| Linden |
| Lisle-Shields Town House |
| Little, Dr. William, House |
| Lochinvar |
| Longwood |
| Lorena Duling School |
| Louisville and Nashville Railroad Depot at Ocean Springs |
| Lucas, John Copeland, House |
| Macon Historic District |
| Madison County Jail |
| Madison-Ridgeland Public School |
| Magnolia Hill |
| Magnolia Hotel |
| Magnolias, The |
| Magnolia Vale |
| Magruder-Morrissey House |
| Magruder-Newsom House |
| Mahned Bridge |
| Main Street Historic District |
| Manse, The |
| Manship House |
| Margin St. Historic District |
| Marion County Courthouse and Jail |
| Masonic Hall, Old |
| Mason, William H. and Marian D., House |
| Maudwin |
| McCoy Administration Building |
| McCrory-Deas-Buckley House |
| McElroy-Hoye House |
| McGehee House |
| McGehee Plantation |
| McGregor |
| McLaran, Charles, House |
| McNair, Dr., House |
| Meador Homestead |
| Meadvilla |
| Melrose |
| Mendenhall Hotel and Revolving Tables Restaurant, The |
| Mercer House |
| Merchants and Farmers Bank Building |
| Meridian Downtown Historic District |
| Meridian Waterworks Pumping Station and Clear Water Basin |
| Merrehope |
| Merrehope Historic District |
| Merrill-Maley House |
| Merrill-Newhardt House |
| Midtown Corinth Historic District |
| Miller Plantation House |
| Mississippi Federation of Women's Clubs |
| Mississippi Governor's Mansion |
| Mississippi Institute of Aeronautics Aircraft Hangars |
| Mississippi River Bridge |
| Mississippi State Capitol |
| Misterfeldt Home Place |
| Mistletoe |
| Monmouth |
| Monroe County Courthouse |
| Montgomery Hall |
| Montgomery House |
| Monticello Consolidated School |
Data from United States Park Service and Wikidata
