Kentucky - Area of significance: Architecture
| Cherry Hall |
| Chesapeake and Ohio Railroad Passenger and Baggage Depots |
| Chestnut Grove |
| Chestnut Street Baptist Church/Quinn Chapel A.M.E. Church |
| Chestnut Street Methodist Church |
| Chewning House |
| Chiles-Bailey House |
| Chiles, Tarleton, House |
| Chiles, William, House |
| Chipman House |
| Chrisler House |
| Chrisman, Joseph, House |
| Christ Church Cathedral |
| Christ Church Episcopal |
| Christ Episcopal Church |
| Christian Meeting House |
| Christie, Christopher Columbus, House |
| Christ the King School and Church |
| Church of Our Merciful Saviour |
| Church of the Advent, Episcopal |
| Church of the Annunciation |
| Church of the Ascension |
| Church of the Messiah |
| Citizens National Life Insurance Building |
| Clark County Courthouse |
| Clark, Gov. James A., Mansion |
| Clark Hardware Company Building |
| Clark, John, House |
| Clarkson House |
| Clay, Brutus and Pattie Field, House |
| Clay City National Bank Building |
| Clay, Dr. Henry, House |
| Clay, Henry, Law Office |
| Clay, Henry, School |
| Clay Hill |
| Clay Hill |
| Clements House |
| Clements, Le Vega, House |
| Cleveland-Rogers House |
| Clifton Historic District |
| Clinkenbeard, William, House |
| Clore, Albert E., House |
| Clore House |
| Clore, James, House |
| Clore, Jonas, House |
| Clore, Jonas, Log House |
| Cloud House |
| Clover Hill |
| Cloverport Historic District |
| Cobb, Whitney, House |
| Coca-Cola Plant |
| Cocanougher House |
| Code House |
| Coe House |
| Colby Tavern |
| Coldeway House |
| Coleman-Desha Plantation |
| Coleman, House |
| Coleman, William L., House |
| Cole, Richard, Homestead |
| College Hill District |
| College Street Historic District |
| College Street Historic District |
| College Street Presbyterian Church |
| Collins, Capt. N., House District |
| Collins House |
| Columbian School |
| Colvin, Henry, House |
| Combs, B. F., House |
| Commercial Historic District |
| Commodore Apartment Building |
| Conant, William, House |
| Conner, George, House |
| Conrad, Theophilus T., House-Rose Anna Hughes Presbyterian Widows Home |
| Constitution Historic District |
| Constitution Square Historic District |
| Cooke, Peyton , House |
| Coombs-Duncan-Brown Farmhouse |
| Cooper House |
| Cooper Memorial Church |
| Cooper's Run Baptist Church |
| Coppage, Rhodin, Spring House |
| Corbin Bank Building |
| Corinthia |
| Corn, Allie, House |
| Corner in Celebrities Historic District |
| Cornwall and Brown Houses |
| Cote Brillante Historic District |
| Cottage Grove Historic District |
| Couchman House |
| Country Estates of River Road |
| Court Clerk's Office-County & Circuit |
| Courteney, James, House |
| Courthouse Square and Mechanics' Row Historic District |
| Courtney House |
| Court Square Historic District |
| Covington Downtown Commercial Historic District |
| Covington House |
| Covington Institute Teachers' Residence |
| Cowherd, Francis, House |
Data from United States Park Service and Wikidata
