Florida - Significance region: Local
| King Trunk Factory and Showroom |
| Kissimmee Historic District |
| Kling, Amos, House |
| Knight, W.A., Building |
| Knotts, Eugene, House |
| Knowles Memorial Chapel |
| Kreissle Forge |
| Kress, S.H., and Co. Building |
| Kress, S.H., and Co. Building |
| Kress, S.H., and Company Building |
| Kress, S.H., Building |
| LaBranche Fishing Camp |
| 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 Eola Heights Historic District |
| Lake Helen Historic District |
| Lake Hunter Terrace Historic District |
| Lake Isabella Historic Residential District |
| Lake Ivanhoe Historic Residential District |
| Lakeland High School, Old |
| Lake Lawsona Historic District |
| 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 |
| Lakeshore Towers |
| Lakeside Hospital |
| 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 |
| Lamb, A.M., House |
| Lane-Towers House |
| Larimer Memorial Library |
| Laroe Family Homestead Historic District |
| Latimer Cabin |
| Laurel Park Historic District |
| Lavender House |
| Lawson, Bamma Vickers, House |
| LeClaire Apartments |
| Leech, Hilton, House and Amagansett Art School |
| Lee County Courthouse |
| Leigh, Charles E., House |
| Leiman House |
| Lemon Bay Woman's Club |
| Leon High School |
| Letchworth Mounds Archeological Site |
| Levillain-Letton House |
| Lewis, W. Henry, House |
| Liberty Hill Schoolhouse |
| Lichgate on High Road |
| Lignumvitae Key Archeological and Historical District |
| Lincoln Lane School |
| Lincoln Memorial Park Cemetery |
| Lincolnville Historic District |
| Lindeman-Johnson House |
| Lindsley, Halstead and Emily, House |
| Link Trainer Building |
| Lippincott Mansion |
| Little Theatre |
| Lloyd-Bond House |
| Lloyd Historic District |
| Lloyd Woman's Club |
| Lodge and Hut |
| Long House |
| Longwood Historic District |
| Longwood Hotel |
| Longwood House |
| Lopez, Xavier, House |
| Los Robles Gate |
| Los Robles Historic District |
| Louisville and Nashville Depot |
| Louisville and Nashville Passenger Station and Express Building |
| Lummus Park Historic District |
| Lutz Elementary School, Old |
| Lynch Building |
| Lyric Theatre |
| MacFarlane Homestead Historic District |
| Madison County Training School |
| Magnolia Heights Historic District |
| Maher Building |
| Mai-Kai Restaurant |
| Maine Colony Historic District |
| Maitland Art Center |
| Manasota Beach Club Historic District |
| Manatee County Courthouse |
| Mandarin Store and Post Office |
| Mango Promenade Historic District |
| Mann Manor |
| Marabanong |
| Marianna Historic District |
| Marina Historic District |
| Marion Hotel |
| Markowitz House |
Data from United States Park Service and Wikidata
