Louisiana - Area of significance: Architecture
| Filhiol, Roland M., House |
| First Christian Church |
| First Methodist Church |
| First National Bank |
| First National Bank |
| First National Life Insurance Building |
| First Presbyterian Church |
| First Presbyterian Church |
| First Street School |
| First United Methodist Church |
| First United Methodist Church |
| First United Methodist Church |
| First United Methodist Church |
| First United Methodist Church |
| First United Methodist Church |
| First United Methodist Church |
| Fischer House |
| Fisher Historic District |
| Fiske Theatre |
| Fitzgerald House |
| Flagstaff |
| Flesch House |
| Florence Coffee House |
| Flournoy-Wise House |
| Fontenette-Durand Maison Dimanche |
| Fontenot, Alexandre, fils, House |
| Ford Motor Company Assembly Plant |
| Forest Home |
| Fort Livingston |
| Fort Macomb |
| Fort Pike |
| Fort Proctor |
| Foster, J. E., House |
| Fourgeaud House |
| Fourth Church of Christ, Scientist |
| Franklin Historic District |
| Franklinton High School |
| Frederick House |
| Freetown-Port Rico Historic District |
| French House, The |
| French Market-Old Vegetable Market |
| Friscoville Street Historic District |
| Frithland |
| Frogmore |
| Frost House |
| Frozard Plantation House |
| Fuller House |
| Funk House |
| Gallier Hall |
| Gallier House |
| Garden District |
| Garland House |
| Garrett, Isaiah, Law Office |
| Gay, Andrew H., House |
| Gemiluth Chassodim Synagogue |
| Genella, Mary Louise Kennedy, House |
| General Laundry Building |
| Geneva |
| Gentilly Terrace Historic District |
| Gibson Methodist Episcopal Church |
| Girod, Nicholas, House |
| Glynnwood |
| Godchaux-Reserve Plantation House |
| Gordon Hotel |
| Gordy House |
| Governor House Motor Hotel, The |
| Grace Episcopal Church |
| Grace Memorial Episcopal Church |
| Grand Cane United Methodist Church |
| Grand Theatre |
| Grant-Black House |
| Graugnard Farms Plantation House |
| Graugnard House |
| Graves Homeplace |
| Grayson House |
| Greater St. James AME Church |
| Greenlaw House |
| Greenlawn |
| Green-Lovelace House |
| Greensburg Land Office |
| Greenville Hall |
| Gretna Historic District |
| Grevemberg House |
| Guaranty Bank, Park Avenue Branch |
| Guitreau House |
| Guy House |
| Hall, Gov. Luther, House |
| Hammond High School Gymnasium |
| Hammond Historic District |
| Harahan Elementary School |
| Hardin House |
| Harlem Plantation House |
| Harrisonburg Methodist Church |
| Hart House |
| Harvey House |
| Haydel-Jones House |
| Hazelwood Plantation |
| Heard, J. W., House |
| Heaton House |
| Hebert House |
Data from United States Park Service and Wikidata