Arkansas - Significance region: Local
| Laporte, William, Building |
| Larned, Capt., House |
| Lasater, Freeborn T., House |
| Lasley's College Apartments |
| Lattimer House |
| Lawrence County Courthouse |
| Lawrie House |
| Laws-Jarvis House |
| Lawyers' Row Historic District |
| Lay, S. A., House |
| Layton Building |
| Leach, R.L., Grocery Store |
| Lea, Harvey, House |
| Lee, Carl and Esther, House |
| Lee County Courthouse |
| Lee Creek Bridge |
| Lee Grocery Store |
| Lee, R. E., House |
| Lee, Robert E., School |
| Lee's Chapel Church and Masonic Hall |
| Lee Service Station |
| Leggett House |
| Leiper-Scott House |
| Lepanto Commercial Historic District |
| Leslie Commercial Historic District |
| Leslie-Rolen House |
| Letona Hotel |
| Lewis Brothers Building |
| Liberty School Cafeteria |
| Liberty Schoolhouse |
| Lightle, Ben, House |
| Lightle House |
| Lightle, William H., House |
| Lincoln Building |
| Lincoln County Courthouse |
| Linwood Mausoleum |
| Little Buffalo River Bridge |
| Little Cypress Creek Bridge |
| Little, J.E., House |
| Little, Jim, House |
| Little River County Courthouse |
| Little River County Training School Historic District |
| Little Rock Central Fire Station |
| Little Rock City Hall |
| Little Rock Fire Station No. 9 |
| Little Rock US Post Office and Courthouse |
| Little Rock Y.M.C.A. |
| Little Springs Missionary Baptist Church |
| Livestock and Equipment Barn, Glenn Homestead |
| Lloyd England Hall |
| Locke, Esther, House |
| Lockesburg High School Gymnasium |
| Lockesburg Waterworks |
| Locust Street Overpass |
| Logan County Courthouse, Eastern District |
| Logan County Courthouse, Southern Judicial District |
| Logan County Jail, Old |
| Lone Star Baptist Church |
| Lone Star School |
| Longino, Dr. H. A., House |
| Long, Web, House and Motel |
| Lono Gymnasium |
| Lonoke County Courthouse |
| Lonoke Downtown Historic District |
| Look See Tree |
| Lovell, Dr., House |
| Luber School |
| Luna, Anthony, House |
| Luster Urban Farmstead |
| Luxor Apartments |
| Lyell, Van, House |
| Lynch, Thomas, House |
| Lynwood Tourist Court Historic District |
| Mabry, H. S., Barn |
| MacLean Hall |
| Maddox, E. D., Farm Chicken House |
| Madison County Courthouse |
| Magazine City Hall-Jail |
| Magnesia Springs Campground |
| Magnolia Colored School Historic District |
| Magnolia Commercial Historic District |
| Magnolia Company Filling Station |
| Magnolia Manor |
| Magnolia Petroleum Company Filling Station |
| Magnolia Service Station |
| Maguire-Williams House |
| Mahony Historic District |
| Main Street Bridge |
| Main Street Commercial District |
| Malco Theatre |
| Mallett, George W., House |
| Malvern Commercial Historic District |
| Malvern Rosenwald School |
| Manees, E. O., House |
| Maness Schoolhouse |
| Mann, George R., Building |
| Manning, Lee and Moore Law Office |
| Maple Hill Cemetery |
| Maple Street Overpass |
| Marathon Oil Service Station |
Data from United States Park Service and Wikidata
