Arkansas - Significance region: Local
| Coger House |
| Cold Spring |
| Cold Springs School |
| Cold Water School |
| Collier Springs Shelter |
| Collison House |
| Collums-Baker House |
| Columbia County Courthouse |
| Combs, Nathan, House |
| Commandant's House |
| Commercial Hotel |
| Community Center #1 |
| Community Mausoleum, Elmwood Cemetery |
| Community Theatre |
| Compton-Wood House |
| Concord School House |
| Conway Commercial Historic District |
| Conway County Courthouse |
| Conway County Library |
| Conway Hotel |
| Conway Mayes Marker |
| Cook-Morrow House |
| Cooley, Sam, Barn |
| Coolidge House |
| Coon Creek Bridge |
| Coop Creek Bridge |
| Copeland, Henry, House |
| Copeland, Wesley, House |
| Cottage Courts Historic District |
| Cotter High School Gymnasium, Old |
| Cotter Tunnel |
| Cotter Water Tower |
| Cotton Belt Railroad Depot-Fordyce |
| Cotton Belt Railroad Office Building |
| Cotton, Dr. J. O., House |
| Cotton Plant Commercial Historic District |
| Cotton Plant Water Tower |
| Cotton, Thomas James, House |
| Cottonwood School #45 |
| Couch, Harvey C., School |
| Couch-Marshall House |
| County Home Cemetery |
| County Line School and Lodge |
| County Road 6 Bridge |
| Cove Creek Bridge |
| Cove Creek Bridge |
| Cove Creek Tributary Bridge |
| Cove Lake Bathhouse |
| Cove Lake Spillway Dam-Bridge |
| Cove Tourist Court |
| Cowdrey House |
| Cowling, Judge Jefferson Thomas, House |
| Cox House |
| Coy Mound Site |
| Craig, Charles R., Building |
| Craighead County Road 513C Bridge |
| Crawford, W. D., House |
| Crenshaw-Burleigh House |
| Cricket and Crest Tunnels Historic District |
| Crittenden County Bank and Trust Company |
| Crittenden County Courthouse |
| Critz, Col. John, Farm, Springhouse |
| Crocketts Bluff Hunting Lodge |
| Crooked Creek Bridge |
| Crosby, Dr. Cyrus F., House |
| Cross and Nelson Hall Historic District |
| Crossett, Edward C., Youth Center |
| Crossett Experimental Forest Building No. 2 |
| Crossett Experimental Forest Building No. 6 |
| Crossett Experimental Forest Building No. 8 |
| Crossett Methodist Church |
| Crossett Municipal Auditorium |
| Crossett Municipal Building |
| Crossroads Fire Tower |
| Crow, Dr. Neil, Sr., House |
| Crow House |
| Crowley's Ridge State Park-Bathhouse |
| Crowley's Ridge State Park-Bridge |
| Crowley's Ridge State Park-Comfort Station |
| Crowley's Ridge State Park-Dining Hall |
| Crownover-Brown, Earl and Oza, House |
| Crow, Oscar, House |
| Crystal Springs Camp Shelter |
| Crystal Springs Dam |
| Culbertson Kiln |
| Cumberland Presbyterian Church |
| Cumberland Presbyterian Church |
| Cumberland Towers |
| Cummins Prison Chapel |
| Cypert, Jesse N., Law Office |
| Dabbs Store |
| Dairyman's Bank Building |
| Dallas County Courthouse |
| Dallas County Training School High School Building |
| Damascus CCC Camp, Co. No. 3781 Historic District |
| Damascus Gymnasium |
| Daniel, Dr. Sam G., House |
| Daniel, Irvin and Elizabeth House |
| Dante House |
| Dardanelle Commercial Historic District |
Data from United States Park Service and Wikidata
