Ohio - Area of significance: Prehistoric
| Aberdeen Mound |
| Adams County Paleo-Indian District |
| Adena Mound |
| Alligator Effigy Mound |
| Arledge Mounds I and II |
| Armco Park Mound I |
| Armco Park Mound II |
| Barker Village Site |
| Barnesville Petroglyph |
| Baum, Howard, Site (33RO270) |
| Beam Farm Woodland Archeological District |
| Benham Mound |
| Boice Fort And Village Site |
| Bone Mound II |
| Bone Stone Graves |
| Brokaw Site |
| Brooke Site |
| Brown, Austin, Mound |
| Bullskin Creek Site |
| Burchenal Mound |
| Burrell Fort |
| Burrell Orchard Site |
| Butler, Wesley, Archeological District |
| Campbell Mound |
| Campbell, T. C., Mound |
| Cannon, Tom, Mound |
| Carlisle Fort |
| Cary Village Site |
| Cedar-Bank Works |
| Clarke Farm Site |
| Clemmons, W.C., Mound |
| Clough Creek and Sand Ridge Archeological District |
| Coe Mound |
| Colerain Works Archeological District |
| Columbus Country Club Mound |
| Conneaut Works |
| Conrad Mound Archeological Site |
| Coon Hunters Mound |
| Cowan Creek Circular Enclosure |
| Davis Works |
| Dayton Power And Light Company Mound |
| Deffenbaugh, George, Mound |
| Demoret Mound |
| Devanney Site |
| Dixon Mound |
| Dodge Site |
| Dravo Gravel Site |
| Dunlap Archeological District |
| Dunns Pond Mound |
| Eagle Township Works I Mound |
| East Fork Site |
| Edgington Mound |
| Eiden Prehistoric District |
| Elk Lick Road Mound |
| Ellis Mounds |
| Enon Mound |
| Etna Township Mounds I And II |
| Ety Enclosure |
| Ety Habitation Site |
| Everett Knoll Complex |
| Fairfield Township Works I |
| Ferris Site |
| Feurt Mounds And Village Site |
| Flint Ridge State Memorial |
| Fort Ancient |
| Fort Hill |
| Fort Hill State Park |
| Fortified Hill Works |
| Fort Island Works |
| Fort Meigs Aboriginal-33WO08-33WO445 |
| Fortner Mounds I, II |
| Frankfort Works Mound |
| Galbreath, John, Mound |
| Gartner Mound and Village Site |
| Gatch Site |
| Glenford Fort |
| Grantham, Norma, Site (33-La-139) |
| Great Mound |
| Great Seal Park Archeological District |
| Hahn Field Archeological District |
| Hartley Mound |
| Highbank Park Works |
| Highbanks Metropolitan Park Mounds I and II |
| High Banks Works |
| Hill-Kinder Mound |
| Hillside Haven Mound |
| Hodgen's Cemetery Mound |
| Hogan-Borger Mound Archeological District |
| Holder-Wright Works |
| Hopeton Earthworks |
| Hopewell Mound Group |
| Horn Mound |
| Horseshoe Mound |
| Hueston Woods Park Mound |
| Hurley Mound |
| Incinerator Site |
| Indian Hills Site |
| Indian Point Fort |
| Inscription Rock |
| Jackson Fort |
Data from United States Park Service and Wikidata
