Connecticut - Criteria: B (person)
| Allis-Bushnell House |
| Anderson, Leroy, House |
| Ansonia Library |
| Armsmear |
| Aspetuck Historic District |
| Atwater-Linton House |
| Austin, A. Everett, House |
| Backus, Nathaniel, House |
| Bacon, Jabez, House |
| Barlow, Boce W., Jr., House |
| Barnard, Henry, House |
| Barns, Acors, House |
| Barnum Museum |
| Barnum/Palliser Historic District |
| Bean Hill Historic District |
| Belden, Horace, School and Central Grammar School |
| Bellamy, Joseph, House |
| Birdcraft Sanctuary |
| Bishop, William D., Cottage Development Historic District |
| Bissell Tavern-Bissell's Stage House |
| Bowen, Henry C., House |
| Bradford-Huntington House |
| Brewer, Selden, House |
| Brooklyn Green Historic District |
| Buckingham, William A., House |
| Burnett's Corner Historic District |
| Burrall-Belden House |
| Bush-Holley House |
| Bushnell Park |
| Butler-McCook Homestead |
| Camp, Moses, House |
| Canty, Marietta, House |
| Carpenter House |
| Carpenter, Joseph, Silversmith Shop |
| Case Brothers Historic District |
| Catlin, J. Howard, House |
| Center Burying Yard, Old |
| Chittenden, Russell Henry, House |
| Christ Church |
| Coffing, John C., House |
| Colt Industrial District |
| Connecticut General Hospital for the Insane |
| Cook, John, House |
| Cossitt, Frederick H., Library |
| Cowles, Gen. George, House |
| Crandall, Prudence, House |
| Dana, James Dwight, House |
| Davenport, Deacon John, House |
| Deane, Silas, House |
| Dickerman II, Jonathan, House |
| Division Street Historic District |
| Downtown Norwich Historic District |
| Downtown Seymour Historic District |
| Dudley, Jedidiah, House |
| Eagle's Nest |
| East Bridgeport Historic District |
| East District School |
| East Haddam Historic District |
| Eliot, Jared, House |
| Ellsworth, Oliver, Homestead |
| Eno, Amos, House |
| Eno Memorial Hall |
| Eolia-Harkness Estate |
| Erwin Home for Worthy and Indigent Women |
| Filley, Capt. Oliver, House |
| Forbes, Samuel, Homestead |
| Fort Shantok |
| Fyler-Hotchkiss Estate |
| Gay, Ebenezer, House |
| Gillette, Francis, House |
| Gilman-Hayden House |
| Gov. Smith Homestead |
| Greeneville Historic District |
| Greenfield Hill Historic District |
| Greenwich Town Hall |
| Griswold, Florence, House and Museum |
| Gurleyville Historic District |
| Hampton Hill Historic District |
| Harris, Jonathan Newton, House |
| Hartford Colony |
| Hastings Hill Historic District |
| Hatheway House |
| Haystack Mountain Tower |
| Hayward House |
| Heublein Tower |
| Hillhouse Avenue Historic District |
| Hilltop Farm |
| Holcomb, Nathaniel, III, House |
| Hollister, Homestead, The |
| Holmes, Francis H., House |
| Hooker, Elizabeth R., House |
| Hooker, Henry, House |
| House at 130 Mohegan Avenue |
| Howe, John I., House |
| Hubbard, Nehemiah, House |
| Humphreys, Gen. David, House |
| Huntington, Col. Joshua, House |
| Huntington, Gen. Jedidiah, House |
| Huntington, Gov. Samuel, House |
| Huntington, Samuel, Birthplace |
Data from United States Park Service and Wikidata
