Ohio - Architectural style - Greek Revival architecture
| Garfield, James A., House |
| Garfield, Milton, House |
| Gates Mills Methodist Episcopal Church |
| Georgetown Historic District |
| Gerhart-Rust Residence |
| Gill-Morris Farm |
| Gleason, Edmund, House |
| Glendower |
| Grand Pacific Hotel |
| Green Plain Monthly Meetinghouse |
| Gregg House |
| Griffin, A. B.,-O. H. Griffin House |
| Griffin, Alexander B., House |
| Griswold, Peck, House |
| Gunn House |
| Hatch, George, House |
| Hathaway, Lot, House |
| Hatton Farm |
| Heckler Farmhouse |
| Henderson, John, House |
| Henninger, Phillip, House |
| Henry, Robert W., House |
| Heter Farm |
| Higby House |
| Highland County Courthouse |
| Hood-Simmons House |
| Hopkins, Roswell, Residence |
| Horsey-Barthelmas Farm |
| House Of Four Pillars |
| House on Huron Ave. |
| Howard, C. R., House |
| Hubbard, Col. William, House |
| Hudson Historic District |
| Hughes Manor |
| Hulburt, Halsey, Homestead |
| Hull, Isaac, Store |
| Hull, Patrick, House |
| Hunter, Norvall, Farm |
| Hunting Lodge Farm |
| Huntington Grange |
| Huntington Inn, Old |
| Huntington Township Hall |
| Hurst, William E., House |
| Ingersoll, Cyrus J., House |
| Isham, John, House |
| James, Charles Worth, House |
| Jarvis House |
| Jenkins-Perry House |
| Johnson, Dustin, Residence |
| Johnson-Humrickhouse House |
| Kellogg, John, House and Barn |
| Kent, Charles House |
| Kent, J., Residence |
| King-Phillips-Deibel House |
| Kinney, Eli, House |
| Kirkwood, Joseph, House |
| Knapp, William, House |
| Knox County Courthouse |
| Koehne-Poast Farm |
| Latty, Judge Alexander, House |
| Lay, Samuel, House |
| Lebanon Academy |
| Lebol, John, House, Smokehouse and Springhouse |
| Lewis, Samuel, House |
| Lilly House |
| Lock Tender's House and Inn |
| Loew-Define Grocery Store and Home |
| Lowler's Tavern |
| Madison Seminary And Home |
| Mad River Block |
| Main-Market Historic District |
| Maltby, Henry, House |
| Martin House |
| Marvin Memorial Library |
| Mathews House |
| McCafferty, William, Farmhouse |
| McCracken-McFarland House |
| McCracken-Scott House |
| McCrea, Matthew, House |
| McDonald Farm |
| McFarland, James, House |
| McKay, Moses, House |
| McKenster-Groff House |
| McKisson, Robert, House |
| McWilliams, Matthew, House |
| Merriman, Wells E., House |
| Methodist Church, Old |
| Methodist Parsonage, Old |
| Michaels Farm |
| Miles, Enos, House |
| Miller-Bissell Farmstead |
| Miller, Daniel, House |
| Miller, Peter, House |
| Miller, Thomas, House |
| Mill Hollow House, The |
| Minch, Capt., House |
| Montgomery County Courthouse |
| Morehouse-Downes House |
| Morrow County Courthouse And Jail |
| Mosgrove, Dr. Adam, House |
Data from United States Park Service and Wikidata
