South Dakota - Significance region: Local
| Gregory County Courthouse |
| Gregory County State Bank |
| Gregory National Bank |
| Gunderson House |
| Gunderson, Tenus Isaac, House |
| Gurney, Charles, Hotel |
| Haakon County Courthouse |
| Habicht & Habicht Department Store |
| Hall, John L., House |
| Halloran-Matthews-Brady House |
| Hamlin County Courthouse |
| Hand County Courthouse and Jail |
| Hann, Solomon and Martha, Homestead |
| Hansen-Hagedorn Barn |
| Hansen, Peter, House |
| Hanson, M.O., Building |
| Hanson, Nels M., Farmstead |
| Hanten, John B., House |
| Harding Schoolhouse |
| Hardy Guard Station |
| Harlow Farmstead |
| Harney Hospital |
| Harney Peak Lookout Tower, Dam, Pumphouse and Stairway |
| Harriman, L. F., House |
| Harris, Fred S., House |
| Harrold School |
| Hart School #3 |
| Harvey, Jerome and Jonetta Homestead Cabin |
| Haugen, E.E., House |
| Havens, William, House |
| Hawkeye Valley Mill |
| Hayes Historic District |
| Hayward, Orlan A., House |
| Hegdahl, Abraham, Farm |
| Henline, Ellis and Roberta Farmstead |
| Henningson, Dr. Harry, House |
| Henry Cool Park |
| Henry-Martinson House |
| Hermosa Masonic Lodge |
| Herrick Barn |
| Herrick Elevator |
| Herrick Public School |
| Herron, Anna, Farm |
| Hetland School |
| Hewes, Arthur, House |
| Higinbotham, William, House |
| Hilger Block |
| Hill, W.S., House |
| Hilmoe, Hans J., Barn |
| Hilton House |
| Hipple, John E. and Ruth, House |
| Historic Trail and Cave Entrance |
| Hoffelt Drug Store |
| Hoffman Barn |
| Hoffman House |
| Hofmeister House |
| Holland, George, House |
| Holmes, Zack, House |
| Holy Family Church, School, and Rectory |
| Holy Fellowship Episcopal Church |
| Holy Rosary Church |
| Homestake Mining Company Hydroelectric Plant No. 2 |
| Homestake Workers House |
| Hoover, Alexander, House |
| Hoover Store |
| H O Ranch Log House |
| Horner-Hyde House |
| Hot Springs High School |
| Hudson Boy Scout Cabin |
| Hughes County Courthouse |
| Hultgren Farm |
| Huseboe, Andrew O., House |
| Hyde County Courthouse |
| Hyde County Memorial Auditorium |
| Hyden House |
| Illinois Central Passenger Depot |
| Immanuel Lutheran Church |
| Immanuel Lutheran Church |
| Ingalls House |
| Intermill House |
| Ipswich Baptist Church |
| Ipswich Masonic Temple |
| Ipswich State Bank |
| Isakson, John, House |
| Jackson Boulevard Historic District |
| Jacobson, Basil H. & Frances, House |
| Jacobson School |
| Japanese Gardens Dance Pavilion |
| Java Depot |
| Jefferson School |
| Jerauld County Courthouse |
| Johnson, A. Einar, House |
| Johnson, Axel, Ranch |
| Johnson Barn |
| Johnson, Emil and Hannah, House |
| Johnson, Ole and Carris, Ranch |
| Johnson Siding, House and Sawmill |
| Johnson, William, House |
| Jolley Historic District |
| Jones, Mabel and David, House |
Data from United States Park Service and Wikidata
