Arkansas - Criteria: A (event)
| Clarksville Confederate Monument |
| Clarksville National Guard Armory |
| Clay County Courthouse, Western District |
| Cleburne County Courthouse |
| Cleburne County Farm Cemetery |
| Cleveland Arms Apartment Building |
| Cleveland County Clerk's Building |
| Cleveland County Courthouse |
| Climber Motor Car Factory, Unit A |
| Clinton Commercial Historic District |
| Clover Bend High School |
| Clover Bend Historic District |
| Coal Gap School |
| Cobb, Pattie, Hall |
| Cogburn Dipping Vat |
| Cold Spring |
| Cold Springs School |
| Cold Water School |
| Collier Springs Shelter |
| Commandant's House |
| Commercial Hotel |
| Community Center #1 |
| Concord School House |
| Confederate Mothers Memorial Park |
| Confederate Soldiers Monument |
| Confederate State Capitol |
| Conway Commercial Historic District |
| Conway Confederate Monument |
| Conway Hotel |
| Coon Creek Bridge |
| Cottage Courts Historic District |
| Cotter Bridge |
| Cotter High School Gymnasium, Old |
| Cotter Tunnel |
| Cotter Water Tower |
| Cotton Belt Railroad Depot-Fordyce |
| Cotton Belt Railroad Office Building |
| Cotton Plant Commercial Historic District |
| Cotton Plant Water Tower |
| Cottonwood School #45 |
| County Home Cemetery |
| County Line School and Lodge |
| County Road 6 Bridge |
| Cove Lake Bathhouse |
| Cove Lake Spillway Dam-Bridge |
| Cove Tourist Court |
| Crater Of Diamonds State Park |
| Crescent Hotel |
| Cricket and Crest Tunnels Historic District |
| Crittenden County Bank and Trust Company |
| Crocketts Bluff Hunting Lodge |
| Crooked Creek Bridge |
| Cross and Nelson Hall Historic District |
| Crossett Municipal Auditorium |
| Crossett Municipal Building |
| Crossett Post Office |
| Crossroads Fire Tower |
| 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 |
| Culbertson Kiln |
| Cumberland Presbyterian Church |
| Cumberland Towers |
| Dabbs Store |
| Dallas County Courthouse |
| Dallas County Training School High School Building |
| Damascus Gymnasium |
| Daniel, Dr. Sam G., House |
| Dardanelle Agriculture and Post Office |
| Dardanelle Commercial Historic District |
| De Ann Cemetery Historic Section |
| Dearing House |
| Deaton Cabin |
| DeGray Creek Bridge |
| Delta Valley & Southern Railway Locomotive #50 |
| DeQueen Commercial Historic District |
| DeQueen & Eastern Railroad Machine Shop |
| Dermott Commercial Historic District |
| Desha County Courthouse |
| Desha, Franklin, House |
| De Valls Bluff Waterworks |
| Devil's Den State Park Historic District |
| Dew Drop Inn |
| DeWitt Commercial Historic District |
| DeWitt Post Office |
| Dillard, William, Homestead |
| Dill School |
| Dodd, David O., Memorial |
| Doe Branch Post Office |
| Doherty House |
| Dollarway Road |
| Dooley Dipping Vat |
| Dooley's Ferry Fortifications Historic District |
| Dover to Clarksville Road Road-Hickeytown Road Segment |
| Drennen-Scott House |
| Duffy House |
| Dumas Commercial Historic District |
| Dunbar Junior and Senior High School and Junior College |
Data from United States Park Service and Wikidata
