Alabama - Significance region: Local
| King, A.D., House |
| King Street Historic District |
| Kirkpatrick House |
| Knox, Ross, House |
| Kymulga Mill And Covered Bridge |
| Lafayette Heights Historic District |
| Lakeview School |
| Lakewood Historic District |
| Lane-Kendrick-Sherling House |
| Lanford, William, House |
| Langdale Historic District |
| Larimore House |
| Larmore, Vance C., House |
| Lassiter House |
| Latham United Methodist Church |
| Leatherbury, George, House |
| Lebanon Chapel AME Church |
| Lee County Courthouse |
| Leeds Downtown Historic District |
| Legion Park Bowl |
| Leinkauf Historic District |
| Levy, George, House |
| Liberty Hall |
| Liberty National Life Insurance Company Building |
| Lincoln Mill and Mill Village Historic District |
| Lincoln Normal School |
| Lincoln School |
| Lindsay, Maud, Free Kindergarten |
| Lindsey, Martin, House |
| Little-Stabler House |
| Locust Street Historic District |
| Looney House |
| Louisville and Nashville Depot |
| Louisville and Nashville Railroad Depot |
| Loveman, Joseph, & Loeb Department Store |
| Lowe Mill and Mill Village Historic Distric |
| Lower Dauphin Street Commercial District |
| Lower Twentieth Street Residential Historic District |
| Lowry House |
| Lowther House Complex |
| Lustron House on Columbiana Road |
| Luverne Historic District |
| Madison Station Historic District |
| Magee, Jacob, House |
| Magnolia Avenue South Historic District |
| Magnolia Springs Historic District |
| Main Street Commercial District |
| Main Street Historic District |
| Main-Yankee Street Historic District |
| Malbis Plantation |
| Manchester Terrace |
| Manly-Strong House |
| Maple Hill Cemetery |
| Marion Courthouse Square Historic District |
| Marion Female Seminary |
| Marshall's Grove |
| Maysville Historic District |
| McClellan, Doit W., Lustron House |
| McCosh Grist Mill |
| McCrary House |
| McFarland Heights |
| McIntosh Log Church |
| McKee, J.P., Lustron House |
| McKibbon House |
| McKinney, Sarah Amanda Trott, House |
| McKleroy-Wilson-Kirby House |
| McLain, Dr. Andrew D., Office and Drug Store |
| McMillan House |
| McMullan-Skinner House |
| McThornmor Acres Subdivision Historic District |
| Meaher-Zoghby House |
| Megginson, Ernest, House |
| Memphis & Charleston Railroad Bridge |
| Merrimack Mill Village Historic District |
| Merritt School |
| Metzger House |
| Midtown Historic District |
| Miles Memorial College Historic District |
| Miller-Martin Town House |
| Millwood |
| Milner Heights Historic District |
| Mobile City Hospital |
| Monroeville Downtown Historic District |
| Monterey Place |
| Monte Sano Railroad Workers' House |
| Montgomery Hill Baptist Church |
| Montgomery-Janes-Whittaker House |
| Moody Hospital |
| Moore Store |
| Morgan-Curtis House |
| Morgan, John, House |
| Morris Avenue-First Avenue North Historic District |
| Morrison, James Arthur, House |
| Moulton Courthouse Square Historic District |
| Mountain Brook Estates Building |
| Mount Ararat Baptist Church |
| Mount Sinai School |
| Mount Sterling Methodist Church |
| Mt. Olive Missionary Baptist Church No.1 |
| Mt. Zion AME Zion Church |
Data from United States Park Service and Wikidata
