Ohio - Area of significance: Architecture
| East High Street Historic District |
| East Liberty School, District No. 11 |
| East Liverpool Downtown Historic District |
| East Liverpool Post Office |
| East Main Street Historic District |
| East Main Street Historic District |
| East Main Street Historic District |
| East Market Street Church of Christ |
| East North Broadway Historic District |
| East Ohio Building, The |
| East Ohio Gas Company Building |
| East Point Manor |
| East River Road Historic District I |
| East River Road Historic District II |
| East Second Street District |
| East Second Street District |
| East State Street-Elmwood Place Historic District |
| East Third Street Historic District |
| East Toledo Historic District |
| East Town Street Historic District |
| East Walnut Hills Firehouse |
| Eastwood Historic District |
| Eaton High School |
| Eckenrode And Breisach Houses |
| Eckert Building |
| Eckis, Nicholas, House |
| Eden Park Stand Pipe |
| Eden Park Station No. 7 |
| Edgecliff |
| Edgecliff Area Historic Group |
| Edgeton |
| Edwards Gymnasium/Pfieffer Natatorium |
| Edwards, John, House |
| Edwards, John Stark, House |
| Edwards, William, Farmhouse |
| E.F. Hauserman Co. Administration, Engineering & Research Building |
| Egypt Catholic Church and Rectory |
| Ehresman, Christian, Farm |
| Eighteen Mile House |
| Eighteenth District School |
| Elden House |
| Eldridge-Higgins Building |
| Elizabeth Township Rural Historic District |
| Elks Club |
| Elks Lodge |
| Ellenwood House |
| Elliot House |
| Elliott and Stoddard Halls, Miami University |
| Elliott Hall, Sturges Library, And Merrick Hall |
| Elliott House |
| Elmwood Place |
| Elsinore Arch |
| Elson-Magnolia Flour Mill |
| Ely Block |
| Elyria Downtown-West Avenue Historic District |
| Elyria Elks Club |
| Elyria High School - Washington Building |
| Emery Hall |
| Emmanuel's Evangelical Lutheran Church |
| Empire Junior High School |
| Engels And Krudwig Wine Company Buildings |
| Engine House No. 1 |
| Engine House No. 16 |
| Engine House No. 3 |
| Englebry's, Dr., Office |
| Englebry's Dry Goods |
| Englewood Historic District |
| English, William, House |
| Ensworth, Jeremiah, House |
| Episcopal Church of the Ascension and Manse |
| Episcopal Church of the Resurrection |
| Epley, Henry J., House |
| Erie County Bank Building |
| Erie County Infirmary |
| Erie County Jail |
| Erie County Office Building |
| Erie Street Cemetery Historic District |
| Erie Terminal Building-Commerce Plaza Building |
| Erieview Historic District |
| Erlich, F. W., House |
| Erwin Hall, Marietta College |
| Etna House |
| Eubanks-Tytus House |
| Euclid Avenue Christian Church |
| Euclid Avenue Historic District |
| Euclid Avenue Presbyterian Church |
| Euclid Golf Allotment |
| Euclid Heights Historic District |
| Euclid, The-Seventy-First Street Building |
| Euphemia Inn and Tavern |
| Evangelical and Reformed Church |
| Evangelical Church of Christ |
| Evans-Holton-Owens House |
| Evans House |
| Evans, Richard W., House |
| Everal, John W., Farm Buildings |
| Exchange Hotel |
| Exposition Hall, Montgomery County Fairgrounds |
| Fabing, Frederick, House |
| Facer's Store |
Data from United States Park Service and Wikidata
