Kentucky - Criteria: C (architecture/engineering)
| Champion-Shepherdson House |
| Champ, Thomas, House |
| Chandler House |
| Chandler, John, House |
| Chapline Building |
| Charity's House |
| Chaumiere des Prairies |
| Chenault House |
| Chenoweth Fort-Springhouse |
| Cherokee Triangle Area Residential District |
| Cherry Hall |
| Chestnut Grove |
| Chestnut Street Baptist Church/Quinn Chapel A.M.E. Church |
| Chestnut Street Methodist Church |
| Chewning House |
| Chiles-Bailey House |
| Chiles, William, House |
| Chipman House |
| Christ Church Cathedral |
| Christ Church Episcopal |
| Christ Episcopal Church |
| Christian Meeting House |
| Christie, Christopher Columbus, House |
| Christ the King School and Church |
| Churchill Downs |
| 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 |
| 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 |
| Clore, Albert E., House |
| Clore House |
| Cloud House |
| Cloverport Historic District |
| Cobb, Whitney, House |
| Coca-Cola Plant |
| Cocanougher House |
| Code House |
| Coe House |
| Coldeway House |
| Coleman-Desha Plantation |
| Coleman, House |
| Coleman, William L., House |
| College Street Historic District |
| College Street Historic District |
| College Street Presbyterian Church |
| Collins House |
| Columbian School |
| Colville Covered Bridge |
| Combs, B. F., House |
| Commercial Historic District |
| Commodore Apartment Building |
| Conner, George, House |
| Constitution Square Historic District |
| Cooper House |
| Cooper Memorial Church |
| Cooper's Run Baptist Church |
| Corbin Bank Building |
| Corn, Allie, House |
| Corner in Celebrities Historic District |
| Cote Brillante Historic District |
| Court Clerk's Office-County & Circuit |
| Courteney, James, House |
| Courthouse Square and Mechanics' Row Historic District |
| Covington and Cincinnati Suspension Bridge |
| Covington Downtown Commercial Historic District |
| Covington House |
| Covington Institute Teachers' Residence |
| Cowherd, Francis, House |
| Cowherd, Jonathan, Jr., House |
| Cox, Alvey, House |
| Cox Building, The |
| Cox, Carrie Gaulbert and Attilla Cox, Jr., House |
| Cox-Hord House |
| Cox, John, House |
| Cox, L. 0., House |
| Craig-Peak House |
| Crawford House |
| Crawford House |
| Creal Store |
| Creel, Elijah, House |
| Crescent Hill Branch Library |
| Crescent Hill Historic District |
| Crescent Hill Reservoir |
| Crockett, John Edward, House |
Data from United States Park Service and Wikidata