Ohio - Area of significance: Health/Medicine
| Alexander, Dr. William S., House |
| American Felsol Company Building |
| Beam Farm Woodland Archeological District |
| Buckner, Dr. Philip, House And Barn |
| Burdsal, Samuel, House |
| Central Branch, National Home for Disabled Volunteer Soldiers |
| Chillicothe Veterans Administration Hospital |
| Clark, Dr., House |
| Fledderjohann, H. E., House, Doctor's Office and Summer Kitchen |
| Gartner Mound and Village Site |
| General Hospital Nurses' Home |
| Glendale Cemetery |
| Lucas County Hospital and Nurse's Home |
| Maplewood Sanitorium |
| Marshall, James E., House |
| Medical Centre Building |
| Murray Hill School |
| Ninchelser, Dr., House |
| Norwalk Memorial Hospital |
| Open Air School |
| Otis Hospital |
| Smith, Samuel, House And Tannery |
| St. Francis Hospital |
| St. Luke's Hospital |
| Thomas, Dr. Kersey G., House and Office |
| Williams, Judge Henry, House |
Data from United States Park Service and Wikidata