Oklahoma - Significance region: Local
| Fuksa, John and Mary, Farm |
| Fulkerson, J. W., House |
| Fullerton Dam |
| Galt-Franklin Home |
| Garfield County Courthouse |
| Garnett, Elmer and Lela, House |
| Garvin County Courthouse |
| Garvin Rock Church |
| Gate School |
| Gatewood East Historic District |
| Gatewood West Historic District |
| Gibson, John W., House |
| Gillespie Building |
| Gillespie Drilling Company Building |
| Gillette Historic District |
| Gillette-Tyrell Building |
| Gill, Meade and Eudora, House |
| Gimeno, Patricio, House |
| Goff, William I. and Magdalen M., House |
| Golda's Mill |
| Gore Pit District |
| Gould Community Building |
| Governors Mansion |
| Gower Cemetery |
| Grady County Courthouse |
| Graham Hotel |
| Grandfield Downtown Historic District |
| Grant County Courthouse |
| Grayson Jail |
| Great Western Coal and Coke Company Building |
| Great Western Coal and Coke Company Mine No. 3 |
| Greer County Courthouse |
| Griffin House |
| Guthrie Armory |
| Hadley House |
| Hadley, Walter, House |
| Hanes Home |
| Harbour-Longmire Building |
| Harding Junior High School |
| Hardy Murphy Coliseum |
| Hargis-Mitchell-Cochran House |
| Harmon Athletic Field |
| Harmon County Courthouse |
| Harmony School |
| Harn House |
| Harper County Courthouse |
| Harris House |
| Harrison School |
| Harris Palace Store |
| Haskell County Courthouse |
| Haskell State School of Agriculture |
| Hatashita, Henry C., House |
| Hayes-Kennedy-Rivoli Theater Building |
| Haywood Building |
| Haywood, Dr. William L. and Susie Price, Estate |
| Healdton Armory |
| Healdton Oil Field Bunk House |
| Hedlund Motor Company Building |
| Heerwald Site |
| Heierding Building |
| Henry, Hugh, House |
| Heritage Hills Historic and Architectural District |
| Hewgley Terrace |
| Hightower Building |
| Hines Round Barn |
| Historic Downtown Sulphur Commercial District |
| Hobart City Hall |
| Hobart Public Library |
| Hobart Rock Island Depot |
| Hoke Building |
| Hokey's Drugstore |
| Holdenville Armory |
| Holdenville City Hall |
| Hollis City Hall and Jail |
| Holy Family Cathedral, Rectory, and School |
| Home Stake Oil and Gas Company Building |
| Hominy Armory |
| Hominy Osage Round House |
| Hominy School |
| Hooker Woodframe Grain Elevator |
| Hooper Brothers Coffee Company Building |
| Hopkins Sandstone House and Farmstead |
| Horse Creek Bridge |
| Hotel Aldridge |
| Hotel Bell |
| Hotel Cherokee |
| Hotel Dale |
| Hotel Franklin |
| Hotel Lincoln |
| Hotel Love |
| Hotel Lowrey |
| Hotel Muskogee |
| Hotel Vinita |
| Hough Woodframe Elevator |
| House at 1554 SW Rogers |
| House Building |
| Hoy, R. E., No. 1 Oil Well |
| Hubbard, William and Mabel Donahoo, House |
| Hughes, George, House |
| Hugo Armory |
Data from United States Park Service and Wikidata