Louisiana - Significance region: Local
| Grayson House |
| Greater St. James AME Church |
| Greenlaw House |
| Greenlawn |
| Green-Lovelace House |
| Greensburg Land Office |
| Greenville Hall |
| Gretna Historic District |
| Grevemberg House |
| Griffin's Bakery |
| Guaranty Bank, Park Avenue Branch |
| Guitreau House |
| Gum Springs Recreation Area |
| Guy House |
| Haaswood Store |
| Hall, Gov. Luther, House |
| Hammond High School |
| Hammond High School Gymnasium |
| Hammond Historic District |
| Hardin House |
| Harlem Plantation House |
| Harrisonburg Methodist Church |
| Hart House |
| Hart House |
| Harvey House |
| Hazelwood Plantation |
| Heard, J. W., House |
| Hearn, Lafcadio, House |
| Hebert House |
| Hebert House |
| Helvetia Dependency |
| Hemenway Furniture Co. Building |
| Hennen Building |
| Hermione |
| Hewes House |
| Heyman-Stewart House |
| Hickory Hill Plantation House |
| Hickory Springs Methodist Episcopal Church |
| "Hicks, Robert ""Bob"", House" |
| Highland Historic District |
| Highland Stockade |
| Hill, The |
| Hodges House |
| Hoffpauir, Ellis, House |
| Holiday Inn Highrise East |
| Holly Grove |
| Hollygrove Historic District |
| Holly Grove Methodist Church |
| Homeplace |
| Homer Historic District |
| Homestead Plantation |
| Homestead Plantation Complex |
| Hope |
| Hope Lodge #145 |
| Hope Plantation House |
| Hope Terrace |
| Hotel Lesage |
| Houma Elementary School |
| Houma Historic District |
| House at 816 Jackson Street |
| Houses at 3014-3038 Leonidas Street |
| Hudson River Lumber Company General Manager's House |
| Hughes House |
| Humble Oil Camp Historic District |
| Hungarian Settlement School |
| Hunt, John S., and Martha McGill Stewart, House |
| Husser School-Husser Community Center |
| Iberville Parish Courthouse |
| Ilgenhurst |
| Independence Historic District |
| International Trade Mart |
| Irish Channel Area Architectural District |
| Iroquois Theater |
| Isaacs-Williams Mansion |
| Island Home |
| Istre Cemetery Grave Houses |
| Jackson House |
| Jackson House |
| Jackson Street Historic District |
| Jacobs, Walter B. |
| Jaenke, F. R., House |
| James, T. L., House |
| Janin Store |
| Jay House |
| Jefferson Hotel |
| Jennings Carnegie Public Library |
| Jennings Post Office |
| Joffrion House |
| John Hancock Building |
| Johnson House |
| Jones, Henry, Cottage |
| Jones House |
| Jones, Jerry, House |
| Jones, John Carroll, House |
| Jones, Wade H., Sr., House |
| Julia Street Row |
| Jung Hotel |
| Kansas City Southern Depot |
| Kansas City Southern Depot |
| Kansas City Southern Depot, Zwolle |
Data from United States Park Service and Wikidata
