Arkansas - Area of significance: Architecture
| Jeffery, A. C., Farmstead |
| Jeffery, Miles, Barn |
| Jeffries House |
| Jerome Elementary School No. 22 |
| Jess Norman Post 166 American Legion Hut |
| Joclin-Bradley-Bowling House |
| Joers, Peter Dierks, House |
| John Duke Wells Health, Physical Education, and Recreation Building |
| Johnson Barn |
| Johnson, Benjamin Franklin, II, Homestead District |
| Johnson County Courthouse |
| Johnson House |
| Johnson House |
| Johnson House |
| Johnson House |
| Johnson House and Mill |
| Johnson-Portis House |
| Johnson, Robert H. and Martha, House |
| Johnson Switch Building |
| Johnson, William Jasper, House |
| Johnston, John H., Cotton Gin Historic District |
| Johnswood |
| Joiner House |
| Jonesboro, Lake City & Eastern Railroad Depot |
| Jonesboro U.S. Post Office and Courthouse |
| Jones, E. Fay and Gus, House |
| Jones General Store and Esso Station |
| Jones House |
| Jones, Mark P., House |
| Jones Memorial Methodist Church |
| Jones School |
| Joplin, Peter, Commercial Block |
| Judd Hill Cotton Gin |
| Judsonia Community Building Historic District |
| Juhre, Charles, House |
| Jumbo Church of Christ |
| Kahn-Jennings House |
| Kansas City, Fort Scott and Memphis Railroad Depot |
| Kansas City-Southern Depot-Decatur |
| Katzenstein House |
| Kays, Victor Cicero, House |
| K. C. Baking Powder Building |
| Keesee House |
| Kefauver House |
| Keiser School |
| Keith House |
| Kelly, C. D., House |
| Kemp Cotton Gin Historic District |
| Kennedy, Dr. Charles H., House |
| Keo Commercial Historic District |
| Kerby, Alton and Ruby Mae, House |
| Kerr-Booth House |
| Kimball House |
| Kimbrough, S. A., House |
| Kindley House |
| King, David L., House |
| King, Hugh L., House |
| King-Neimeyer-Mathis House |
| King Schoolhouse |
| King-Whatley Building |
| Kirksey, Loy, House |
| Kitchens, Richard L., Post No. 41 |
| Kittrell House |
| Kleiber House |
| Klein, George, Tourist Court Historic District |
| Kleinschmidt, Gustave B., House |
| Klotz, Henry, Sr., House |
| Klotz, Henry W., Sr., Service Station |
| Knight, Ed, House |
| Knob School-Masonic Lodge |
| Knoop, Werner, House |
| Knox, R. M., House |
| Kocourek and Son Hardware |
| Koen, Henry R., Forest Service Building |
| Koon House #1 |
| Koon House #2 |
| Koon House #3 |
| Koon House #4 |
| Koon House #6 |
| Koons House |
| Kraemer-Harman House |
| Kress Building |
| LaBelle House |
| Lackey General Merchandise and Warehouse |
| Lafayette County Courthouse |
| LaFayette Hotel |
| Lair House |
| Lake-Bell House |
| Lake Catherine State Park-Cabin No. 2 |
| Lake Catherine State Park-Cabin No. 3 |
| Lake Catherine State Park-Nature Cabin |
| Lake Leatherwood Park Historic District |
| Lake Leatherwood Recreational Facilities |
| Lakeport Plantation |
| Lakeside Hotel |
| Lake Village Commercial Historic District |
| Lake Wedington Historic District |
| Laman Plaza Gazebo |
| Lambert House |
| Lamberton Cabin |
Data from United States Park Service and Wikidata
