Nebraska - Criteria: C (architecture/engineering)
| Kennedy Building |
| Kester Planing Mill |
| Keystone Community Church |
| Keystone Hotel |
| Kiddle, Richard R., House |
| Kilgore Bridge |
| Kilpatrick, Samuel D., House |
| Kimball County Courthouse |
| Kimball, Mary Rogers, House |
| Kinner House |
| Kirchman, F.J., House |
| Klehm House |
| Knoell, Christopher, Farmstead |
| Koop, Amel H., House |
| Kupke, Christian, Farmstead |
| Lake Bridenthal House |
| Lee, George F., Octagon Houses |
| Leonard, Velosco V., House |
| Leone, Florentine, and Carpathia Apartment Buildings |
| Lewellen State Aid Bridge |
| Lewis Bridge |
| Lewis-Syford House |
| Library |
| Lincoln Army Air Field Regimental Chapel |
| Lincoln County Courthouse |
| Lincoln Haymarket Historic District |
| Lincoln Hotel |
| Lincoln Liberty Life Insurance Building |
| Lincoln YWCA Building |
| Linoma Beach |
| Lisco State Aid Bridge |
| Livestock Exchange Building |
| Long Creek School |
| Loosveldt Bridge |
| Loup City Township Carnegie Library |
| Lowe and Fair Commercial Block |
| Lyman Terrace |
| Maginnis Irrigation Aqueduct |
| Mann-Zwonecek House |
| Margaret, The |
| Marquis Opera House |
| Marshall, George A., House |
| Mason City School |
| Masonic Temple |
| Mason School |
| Massow, Joachim-Schultz, Charles and Annie, House |
| Mathewson-Gerecke House |
| Maybury-McPherson House |
| McCook Public-Carnegie Library |
| McCook YMCA |
| McCormick Hall |
| McCue-Trausch Farmstead |
| McDonald, J. D., House |
| McLaughlin, Charles D., House |
| McLaughlin-Waugh-Dovey House |
| Meisch House |
| Meisner Bank Building |
| Meisner, George, House |
| Melrose, The |
| Memorial Building |
| Menter Farmstead |
| Mercer, Dr. Samuel D., House |
| Meridian Bridge |
| Meridian Highway |
| Meyer and Raapke |
| Midwest Theater |
| Miles Ranch |
| Miller Hotel |
| Miner House |
| Minne Lusa Residential Historic District |
| Monroe Congregational Church and New Hope Cemetery |
| Morrill, Charles H., Homestead |
| Morrill County Courthouse |
| Morton-James Public Library |
| Moses, G.C., Block |
| Moyer Row Houses |
| Municipal Lighting and Waterworks Plant |
| Murphy, William L. and Sydney V., House |
| Nash Block |
| National Bank of Ashland |
| Nebraska Loan and Trust Company Building |
| Nebraska State Capitol |
| Nebraska State Historical Society Building |
| Nebraska Telephone Company Building |
| Neef, Henry B., House |
| Neligh Mill Bridge |
| Nemaha County Courthouse |
| Nine Bridges Bridge |
| Niobrara River Bridge |
| Norfolk Carnegie Library |
| Normandie Apartments |
| North Bend Carnegie Library |
| Northern Natural Gas Building |
| North Loup Bridge |
| North Platte US Post Office and Federal Building |
| North Presbyterian Church |
| Northwestern Bell Telephone Company Regional Headquarters |
| Notre Dame Academy and Convent |
| Nottingham Apartments, The |
| Nuckolls County Courthouse |
Data from United States Park Service and Wikidata
