North Carolina - Area of significance: Architecture
| Livingstone College Historic District |
| Lloyd-Howe House |
| Lloyd Presbyterian Church |
| Lockville Dam, Canal and Powerhouse |
| Locust Grove |
| Locust Lawn |
| Loewenstein, Edward and Frances S., House |
| Loftin Farm |
| Logan, George W., House |
| London Cottage |
| London, Henry Adolphus, House |
| Lone Beech |
| Lone Pine |
| Long, Alexander, House |
| Long, Henry Fletcher and Carrie Allison, House |
| Long, James A. and Laura Thompson, House |
| Long, McCorkle and Murray Houses |
| Long Street Church |
| Long Valley Farm |
| Longview Gardens Historic District |
| Long, Willian H., House |
| Longwood |
| Loray Mill Historic District |
| Loretz House |
| Louisburg Historic District |
| Louise Cotton Mill |
| Lowe, Cicero Francis, House |
| Lowe, Robert Chester and Elsie H., House |
| Lower Sauratown Plantation |
| Low House |
| Lucama Municipal Historic District |
| Lucas, Dr. H. D., House |
| Lucas Mansion |
| Ludlow, Col. Jacob Lott, House |
| Lumberton Commercial Historic District |
| Lumsden-Boone Building |
| Lyerly Building for Boys |
| Lyerly Full Fashioned Mill |
| Lyndon Street Townhouses |
| Lynncote |
| Lynncote Historic District |
| Mace, Ulysses S., House |
| Machaven |
| Machpelah |
| Madison County Courthouse |
| Madison-Derr Iron Furnace |
| Madonna Acres Historic District |
| Magnolia |
| Magnolia Grove |
| Magnolia Place |
| Mahler and Carolina Trust Buildings |
| Maiden Lane Historic District |
| Main Building, Louisburg College |
| Main Building, Mitchell College |
| Main Street Commercial Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Main Street Historic District |
| Mallard, John Wesley, House |
| Malone, James, House |
| Mangum, Bartlett, House |
| Mangum, James, House |
| Manor and Cottages |
| Mansard Roof House |
| Margrace Mill Village Historic District |
| Mariah's Chapel |
| Marion House and Marion Brothers Store |
| Market House |
| Market House Square District |
| Market Street Mansion District |
| Markham-Albertson-Stinson Cottage |
| Marley House |
| Marshall-Harris-Richardson House |
| Marshall High School |
| Marshall Main Street Historic District |
| Mars Hill Baptist Church |
| Mars Hill College Historic District |
| Mars Hill High School |
| Martin County Courthouse |
| Martin, Harden Thomas, House |
| Mary's Grove |
| Masonboro Sound Historic District |
| Mason-Hardee-Capel House |
| Masonic Hall |
| Masonic Temple and Theater |
| Masonic Temple Building |
| Masonic Temple Building |
| Mason, John A., House |
| Massenburg Plantation |
| Massey Hill High School |
| Mast Farm |
| Matsumoto House |
| Matthews Commercial Historic District |
| Matthews, Dr. James O., Office |
| Matthews Place |
| Matthis, Fleet, Farm |
| Mattocks, William Edward, House |
| Maxton Historic District |
Data from United States Park Service and Wikidata
