All - Architectural style - Neoclassical architecture
| Henley, Henry, Public Library |
| Henry Clay Hotel |
| Henry County Courthouse |
| Henson, Alfred W., House |
| Henson House |
| Hepburn Library |
| Herff-Rozelle Farm |
| Herget, Carl, Mansion |
| Herington Carnegie Public Library |
| Herndon Home |
| Herring Motor Car Company Building |
| Herring, Robert, House |
| Herring, Troy, House |
| Heryford Brothers Building |
| Heywood, John H., Elementary School |
| Hiawatha Memorial Auditorium |
| Hiberian Block |
| Hickert, Henry Building |
| Hidalgo County Courthouse |
| Highland School |
| Highland School |
| Highlands County Courthouse |
| Highlands Masonic Lodge |
| Hightower Building |
| Hil'ardin/Sharp-Hardin-Wright House |
| Hilgard Hall |
| Hillcrest |
| Hillcrest-Allen Clinic and Hospital |
| Hill Hall at Savannah State College |
| Hillsboro State Bank Building |
| Hills, Lewis S., House |
| Hills, W. S., Commercial Structure |
| Hilton Hotel |
| Hinman Apartments |
| Hinton Historic District |
| Hoatson, Thomas H., House |
| Hodgeman County Courthouse |
| Hollister Carnegie Library |
| Holly Grove Mansion |
| Hollywood Apartments |
| Hollywood Masonic Temple |
| Holman, J. D., House |
| Holston National Bank |
| Holy Name Church Rectory, Convent and School |
| Homard, Isaac, House |
| Home for Aged Couples |
| Home Office Building |
| Home of the Friendless, The |
| Home of the Good Shepherd |
| Homestead Hotel |
| Homestead Plantation Complex |
| Hood, Col. O. R., House |
| Hooper, William, School (Former) |
| Hoopeston Carnegie Public Library |
| Hopewell, Frank B., House |
| Hopewell Municipal Building |
| Hopkinton Supply Co. Building |
| Horicon State Bank |
| Hotel Albert |
| Hotel Bell |
| Hotel Bothwell |
| Hotel Buhl |
| Hotel Charitone |
| Hotel Chieftain |
| Hotel Del Prado |
| Hotel Greenfield |
| Hotel Jefferson |
| Hotel LaBonte |
| Hotel Metropolitan |
| Hotel Montague |
| Hotel Randolph |
| Hotel Reichert |
| Hotel Rieger |
| Hotel Russel Erskine |
| Hotel Stratford |
| Hotel Thomas |
| Hotel Troy |
| Hotel Utah |
| House at 140 Allen |
| House at 715 Austin |
| Houston, E. C., House |
| Houston Post-Dispatch Building |
| Hovda, Oliver H., House |
| Howard County Courthouse |
| Howard, Frank, Building |
| Howard Hotel |
| Howard Masonic Temple |
| Howell, Mrs. George Arthur, Jr., House |
| Howes Building |
| Hubbard County Courthouse |
| Hubbell Warehouse |
| Hudson Public Library |
| Hughes, Ed S., Company Warehouse |
| Hughes, Frank, Memorial Library |
| Hull, James Heyward, House |
| Humboldt County Courthouse |
| Hunt Armory |
| Hunt County Courthouse |
| Huntington High School |
| Huntington Public School |
Data from United States Park Service and Wikidata
