Rhode Island - Area of significance: Architecture
| Burnham, G.A., House |
| Burrows Block |
| Butler Hospital |
| Buttonwoods Beach Historic District |
| Calvary Baptist Church |
| Camp Endicott |
| Cappelli, A. F., Block |
| Carolina Village Historic District |
| Carr, Dr. George W., House |
| Casey, Silas, Farm |
| Castle Hill Lighthouse |
| Cathedral of Saints Peter and Paul |
| Cato Hill Historic District |
| Cedar Hill |
| Cedar Point Historic District |
| Central Diner |
| Central Falls Congregational Church |
| Central Falls Mill Historic District |
| Central Street Historic Distriict |
| Central Street School |
| Centreville Mill |
| Champlin, Peleg, House |
| Chateau-sur-Mer |
| Childs-Brown House |
| Christ Episcopal Church |
| Church, Benjamin, House |
| Church Hill Grammar School |
| Church Hill Industrial District |
| Clapp, Silas, House |
| Clarke, Samuel, Farm |
| Clayville Historic District |
| Clemence-Irons House |
| Cole, John, Farm |
| College Hill Historic District |
| Commandant's Residence, Quarters Number One, Fort Adams |
| Common Burying Ground and Island Cemetery |
| Conanicut Island Lighthouse |
| Conant, Samuel B., House |
| Conant Thread-Coats & Clark Mill Complex District |
| Congdon Street Baptist Church |
| Conimicut Lighthouse |
| Cook-Bateman Farm |
| Cooke, Amos, House |
| Corliss-Carrington House |
| Corliss, John, House |
| Cornell-Randall-Bailey Roadhouse |
| CORONET (Wooden Hull Schooner Yacht) |
| Cotton, Dr. Charles, House |
| Cottrell House |
| Covell Street School |
| Covell, William King, III, House |
| Crandall, Lorenzo, House |
| Crescent Park Carousel |
| Crompton Free Library |
| Crompton Mill Historic District |
| Crowfield Historic District |
| Cumberland Town Hall Historic District |
| Customhouse Historic District |
| Cutler, Susan S. & Edward J., House |
| Daggett, Nathaniel, House |
| Darling, Henry, House |
| Davisville Historic District |
| Davol Rubber Company |
| Deming, Richard Henry, House |
| Dennis, James, House |
| Dewey Cottage |
| Dexter, Edward, House |
| Dexter, Jeremiah, House |
| District 6 Schoolhouse |
| District Four School |
| District Schoolhouse No. 2 |
| Donwell’s Diner-Worcester Lunch Car Company Diner No. 774 |
| Dorrance, Capt. George, House |
| Douglas, George, House |
| Dowler, Charles, House |
| Downtown Pawtucket Historic District |
| Downtown Providence Historic District |
| Doyle Avenue Historic District |
| Druidsdream |
| Dunes Club, The |
| Dunmere |
| Dutch Island Lighthouse |
| Dyerville Mill |
| Earlscourt Historic District |
| East Greenwich Historic District |
| Eddy Homestead |
| Edgewood Historic District-Aberdeen Plat |
| Edgewood Historic District-Anstis Greene Estate Plats |
| Edgewood Historic District-Arnold Farm Plat |
| Edgewood Historic District-Sally Greene Homestead Plats |
| Edgewood Historic District-Shaw Plat |
| Edgewood Historic District-Taft Estate Plat |
| Edgewood Yacht Club |
| Eldred, Henry, Farm |
| Elizabeth Building |
| Elliot-Harris-Miner House |
| Elmgrove Gardens Historic District |
| Elms, The |
| Elm Tree Plat Historic District |
| Elmwood Historic District |
Data from United States Park Service and Wikidata
