Iowa - Significance region: Local
| Edwards-Swayze House |
| Egloff, William C. & Margaret, House |
| Elbert-Bates House |
| Eldon Carnegie Public Library |
| Eldora Downtown Historic District |
| Eldridge, D. C., House |
| Eldridge, Theodore, House |
| Elgin Block, The |
| Elkader Downtown Historic District |
| Elkader Opera House |
| Elks-Rogers Hotel |
| Elliott Furniture Company |
| Ellis, Evan F., Farmhouse |
| Ellis, William and Amanda J., Farmstead Historic District |
| Ellsworth-Jones Building |
| Ellsworth-Porter House |
| Elmwood-St. Joseph Municipal Cemetery Historic District |
| Elmwood, The- The Oaks-The Birches |
| Ely School House |
| Ely's Stone Bridge |
| Emerson Hough Elementary School |
| Emerson School |
| Englert Theatre |
| Epworth School |
| Estes Park Band Shell |
| Etzel, John L., House |
| Evans Block |
| Evans, Edward B. and Nettie E., House |
| Evans, Henry and Elizabeth Adkinson, House |
| Evans Manufacturing Company Building |
| Everett School |
| Evergreen Ridge Stock Farm Historic District |
| Everist, H. H., House |
| Ewert, Ferdinand, Building |
| Faeth Farmstead and Orchard District |
| Fair Oaks Historic District |
| Fairview Church and Cemetery |
| Farm Creek Historic District |
| Farmers and Merchants Savings Bank |
| Farmers Mutual Reinsurance Company Building |
| Farmers Savings Bank |
| Farmers' State Bank |
| Farmhouse, Olmsted Family |
| Farnsworth, Shepard and Emma, House |
| Farwell, S. S., House |
| Fayette County Courthouse |
| Fay, Pliny and Adelia, House |
| Fellows, James C., House |
| Fenelon Place Residential Historic District |
| Fennern, Henry P., House |
| Ficke Block |
| Fifth Street Bluff Historic District |
| Fillmore Block |
| Financial Center Office Building |
| Finch, Fred, House |
| Findley, William, House |
| Fire Station No. 2 |
| Fire Station No. 4 |
| Firestone District Office and Warehouse |
| First Avenue East Historic District |
| First Avenue West Historic District |
| First Baptist Church of West Union |
| First Bible Missionary Church |
| First Christian Church |
| First Church of Christ Scientist |
| First Church of Christ, Scientist |
| First Congregational Church |
| First Congregational Church |
| First Federal Savings and Loan Association Building |
| First Lutheran Church |
| First Methodist Church |
| First Methodist Episcopal Church |
| First Methodist Episcopal Church |
| First National Bank |
| First National Bank |
| First National Bank |
| First National Bank |
| First National Bank |
| First National Bank Building |
| First National Bank Building |
| First National Bank of Davenport |
| First National Bank of Mason City |
| First National Bank of Pomeroy |
| First Presbyterian Church |
| First Presbyterian Church |
| First Presbyterian Church of Marion, Iowa |
| First Unitarian Church |
| First United Brethren Church |
| First United Methodist Church |
| First Universalist Church of Cedar Rapids |
| First Welsh Congregational Church |
| Fisher-Plane Commercial Building |
| Fitch, F.W., Company Historic District |
| Fleming Building |
| Fleshman, Charles M. and Emma M. Fischer, House |
| Floral Hall |
| Floral Hall |
| Floyd County Court House |
| Flynn-Griffin Building |
| Foley, John, House |
Data from United States Park Service and Wikidata
