Florida - Criteria: A (event)
| Jackson Rooming House |
| Jacksonville, Pensacola and Mobile Railroad Company Freight Depot |
| Jacksonville Terminal Complex |
| James House |
| Jefferson County Jail |
| Jeffries, Capt. Howard B., House |
| Jennings High School |
| John Gilmore Riley House |
| John Nolen Plan of Venice Historic District |
| Johnson Chapel Missionary Baptist Church |
| Johnson-Schoolcrafy Building |
| Johnson-Wolff House |
| Jones, A. Quinn, House |
| Jones Family Historic District |
| Jorgensen's General Store |
| Josselyn, James Riley, House |
| Journey's End |
| J & S Building |
| Jungle Trail |
| Jupiter Inlet Lighthouse |
| Kampong |
| Kanapaha |
| Keith, Edson, Estate |
| Kenilworth Lodge |
| Kenwood Historic District |
| Kerr City Historic District |
| Key West Historic District |
| Kilkoff House |
| King-Hooton House |
| Kingsley Plantation |
| King Trunk Factory and Showroom |
| Kissimmee Historic District |
| Kling, Amos, House |
| Knight, W.A., Building |
| Koreshan Unity Settlement Historic District |
| Kreissle Forge |
| Kress, S.H., and Co. Building |
| Kress, S.H., and Company Building |
| LaBranche Fishing Camp |
| Lafayette Street Bridge |
| La Grange Church and Cemetery |
| Lake Adair-Lake Concord Historic District |
| Lake Butler Woman's Club |
| Lake City Historic Commercial District |
| Lake County Courthouse |
| Lake Helen Historic District |
| Lake Hunter Terrace Historic District |
| Lake Isabella Historic Residential District |
| Lake Ivanhoe Historic Residential District |
| Lakeland High School, Old |
| Lake Lillian Neighborhood Historic District |
| Lake Mary Chamber of Commerce Building |
| Lake Mirror Promenade |
| Lake of the Hills Community Club |
| Lake Placid A. C. L. Railroad Depot, Old |
| Lakeside Inn |
| Lake Wales City Hall |
| Lake Wales Commercial Historic District |
| Lake Wales Historic Residental District |
| Lake Weir Yacht Club |
| Lake Worth City Hall, Old |
| Laroe Family Homestead Historic District |
| Latimer Cabin |
| Launch Complex 39 |
| Launch Complex 39-Pad A |
| Launch Complex 39-Pad B |
| Launch Control Center |
| Laurel Park Historic District |
| Lavender House |
| Lawson, Bamma Vickers, House |
| Leech, Hilton, House and Amagansett Art School |
| Lee County Courthouse |
| Lemon Bay Woman's Club |
| Leon County Health Unit Building |
| Leon High School |
| Levillain-Letton House |
| Liberty Hill Schoolhouse |
| Library East |
| Lincoln Memorial Park Cemetery |
| Lincoln Road Mall |
| Lincolnville Historic District |
| Link Trainer Building |
| Little Theatre |
| Lloyd-Bond House |
| Lloyd Historic District |
| Lloyd Railroad Depot |
| Lloyd Woman's Club |
| L & N Marine Terminal Building |
| Lock No. 1, North New River Canal |
| Long House |
| Longwood Historic District |
| Longwood Hotel |
| Los Robles Gate |
| Louisville and Nashville Depot |
| Louisville and Nashville Passenger Station and Express Building |
| Lummus Park Historic District |
| Lutz Elementary School, Old |
| Lyndhurst Plantation |
| Lyric Theater |
| Lyric Theatre |
Data from United States Park Service and Wikidata
