Oklahoma - Role: Building
| Keokuk, Moses, House |
| Kerfoot House |
| Kimbrough Temple C.M.E. Church |
| Kimmell Barn |
| Kingfisher Armory |
| Kingfisher Memorial Hall |
| Kingfisher Post Office |
| Kingman-Moore Building |
| Kinta High School |
| Kiowa County Courthouse |
| Kisner, Robert R. and Minnie L., House |
| Kivlehen House |
| Knowles Grain Elevator |
| Konawa Armory |
| Kosyk, Mato, House |
| Lamerton House |
| Lane Cabin |
| Laney, J. D., House |
| Langston Jail |
| La Quinta |
| Larkin Hotel |
| Lassen, Henry, House |
| Lawton High School |
| Lawton National Guard Armory |
| Ledbetter, H.E., House |
| Lee, Robert E., School |
| LeFlore, Capt. Charles, House |
| LeFlore County Courthouse |
| Levering Mission |
| Lewis Ross/Cherokee Orphan Asylum Springhouse |
| Liberty Federal Savings and Loan Association Building |
| Lincoln Colored School |
| Lincoln Park Bathhouse |
| Littlepage Building |
| Loeser, Dr. Irwin D., Log Cabin |
| Logan Apartments |
| Logan County Courthouse |
| Logan, Leonard M., House |
| L'Ouverture Gymnasium |
| Love County Courthouse |
| Love County Jail and Sheriff's Residence |
| Luster, Melvin F., House |
| Lytton Building-Masonic Hall |
| Mager Mortgage Company Building |
| Magnolia Petroleum Building |
| Magnolia Service Station |
| Mahoney-Clark House |
| Mahoney House and Garage |
| Main Public Library |
| Main Street Arcade |
| Major County Courthouse |
| Mangum Armory |
| Mangum Community Building |
| Manhattan Building |
| Manitou Jail |
| Manual Training High School for Negroes |
| Mardock Mission |
| Markham School and Teacherage |
| Marland, Charlotte, House |
| Marland Estate, Inc. Gatehouse |
| Marland, E. W., Mansion |
| Marland Filling Station |
| Marland-Paris House |
| Marlow Armory |
| Marshall County Courthouse |
| Marshall Hall |
| Mascho Building and Public Privy |
| Mason, A. J., Building |
| Masonic Temple |
| Masonic Temple |
| Mayfair, The |
| Mayo Building |
| Mayo Hotel |
| Mayo Motor Inn |
| McAlester Armory |
| McAlester DX |
| McAlester House |
| McAlester Scottish Rite Temple |
| McAllister House |
| McAnally, William, House |
| McBirney, James H., House |
| McClain County Courthouse |
| McClean House |
| McClung House |
| McCristy-Knox Mansion |
| McCurtain, Edmund, House |
| McCurtain, Green, House |
| McDougal Filling Station |
| McFarlin Building |
| McFarlin, Robert M., House |
| McGranahan Portion of the Chisholm Trail Roadbed |
| McGraw, James J., House |
| McGregor House |
| McIntosh County Courthouse |
| McKinney, Collin, House |
| McLean, B. W., House and Office |
| McNaughton, John Patrick, Barn |
| Meacham Building |
| Meaders, F.W., House |
| Medical Arts Building |
Data from United States Park Service and Wikidata
