Ohio - Criteria: A (event)
| Dayton Fire Station No. 14 |
| Dayton Motor Car Company Historic District |
| Dayton View Historic District |
| Dayton Young Men's Christian Association Building |
| Dean Family Farm |
| Decker, Elias, Farmhouse |
| Deeds Carillon |
| Deerlick Farm |
| Defiance Public Library |
| Deitz, Samuel, Farmhouse |
| Delaware County Jail and Sheriff's Residence |
| Delaware Public Library |
| Delco Building |
| Del Monte Apartments |
| Demand-Gest House |
| Denison, William, House |
| Dennison High School |
| Detrick Milling and Distilling Company |
| Detroit Avenue Bridge |
| Detroit-Superior High Level Bridge |
| Detwiller, John, Tavern and Farmstead |
| Dewalt Building |
| Dew House |
| Diamond Historic District |
| Dixon-Globe Opera House-Robinson-Schwenn Building |
| Doctors' Building |
| Domestic Arts Hall And Flower Hall |
| DONALD B (towboat) |
| Downtown Ironton Historic District |
| Downtown Xenia Historic District |
| Dresden Suspension Bridge |
| Drexel Theater |
| Duane Block |
| Dublin Christian Church |
| Dublin Christian Church |
| Dublin High Street Historic District |
| Duffy, Michael, Farm |
| Dunbar Historic District |
| Duncan, Robert P., House |
| Dunham Tavern |
| Dun, John, Homestead |
| Dye, John Minor, Stone House |
| Eagle Cliff Hotel |
| Eagles Building |
| Eagles Temple |
| Eagles' Temple |
| Eakin Mill Covered Bridge |
| Ealy, George and Christina, House |
| East Boulevard Apartment House |
| East Broad Street Commercial Building |
| East Broad Street Historic District |
| East Broad Street Presbyterian Church |
| East Cleveland District 9 School |
| Eastern Hills Young Men's Christian Association (YMCA) |
| East Fifth Street Historic District |
| East Liberty School, District No. 11 |
| East Liverpool Downtown Historic District |
| East Liverpool Pottery |
| East North Broadway Historic District |
| East Ohio Building, The |
| East Ohio Gas Company Building |
| East Side Commercial Block |
| East Side Fire Station |
| Eaton High School |
| Edna, The |
| Edwards Gymnasium/Pfieffer Natatorium |
| Edward Wren Company Building |
| Egypt Catholic Church and Rectory |
| Ehresman, Christian, Farm |
| Eighteen Mile House |
| Elks Club |
| Elliott House |
| Elson-Magnolia Flour Mill |
| Emanuel Lutheran Church of Montra |
| Emery Hall |
| Emmanuel Church |
| Emmanuel's Evangelical Lutheran Church |
| Empire House |
| Engels And Krudwig Wine Company Buildings |
| Engineers Club of Dayton |
| Engine House No. 1 |
| Engine House No. 3 |
| Engine House No. 6 |
| Englebry's Dry Goods |
| Erie County Bank Building |
| Erie County Infirmary |
| Erie County Office Building |
| Erie Terminal Building-Commerce Plaza Building |
| Erieview Tower |
| Etna House |
| Euclid Avenue Historic District |
| Euclid Golf Allotment |
| Euclid, The-Seventy-First Street Building |
| Everett Historic District |
| Ewington Academy |
| Fairhill Road Village Historic District |
| Fairmont Creamery Company Ice Cream Building |
| Fairmount Boulevard District |
| Fairport Harbor West Breakwater Light |
| Fairport Marine Museum |
Data from United States Park Service and Wikidata
