Arkansas - Area of significance: Architecture
| Scott Memorial Methodist Episcopal Church |
| Scull Historic District |
| Searcy Commercial Historic District |
| Searcy Post Office |
| Sears House |
| Sebastian County Courthouse-Ft. Smith City Hall |
| Sebastian County Jail, Old |
| Seed Warehouse No. 5 |
| Segraves, Warren, House |
| Sellers Farm |
| Sellers House |
| Sellers House |
| Selma Methodist Church |
| Shady Grove Delmar Church and School |
| Shady Grove School |
| Shady Lake Bathhouse |
| Shady Lake Caretaker's House |
| Shady Lake Picnic Pavilion |
| Shady Lake Recreation Area Historic District |
| Shaheen-Goodfellow Weekend Cottage |
| Shaver, Charles W., House |
| Shaver, James D., House |
| Shaver, John W., House |
| Shaver, William, House |
| Shaw-Blair House |
| Shaw, Tillman, House |
| Shelton-Lockeby House |
| Shelton, Lynn, American Legion Post No. 27 |
| Shelton-Rich Farmstead |
| Sherrill Methodist Episcopal Church, South |
| Sherrill, Silas, House |
| Shiloh Historic District |
| Shiloh House |
| Shiloh Missionary Baptist Church |
| Shoppach House |
| Shores Warehouse |
| Short-Dodson House |
| Short, William A., House |
| Shue House |
| Shull House |
| Shutter, John, House |
| Siloam Springs City Park |
| Siloam Springs Downtown Historic District |
| Simpson, Stanley, Farmstead Picking Shed |
| Sims Hotel |
| Sink-Crumb Post No. 72 American Legion Hut |
| Skillern House |
| Slack-Comstock-Marshall Farm |
| Smackover Historic Commercial District |
| Smith, A. J., House |
| Smith, C. L., & Son General Store |
| Smith Hospital |
| Smith House |
| Smith House |
| Smith House |
| Smith, Jessie B., House |
| Smith, Joel, House |
| Smith-McCurry House |
| Smith, Morgan, Dr., House |
| Smith, Rowland B., House |
| Smith, S. G., House |
| Smith, Sylvester, Farmstead |
| Smith, Tom, House |
| Smith, William H., House |
| Smyrna Methodist Church |
| Smyth, Peter, House |
| Snipes, Dr. Emmett, House |
| Snyder House |
| Solomon Grove Smith-Hughes Building |
| Son's Chapel |
| Sorrells, Walter B., Cottage |
| Southern Mercantile Building |
| Southern Trust Building |
| South Main Street Apartments Historic District |
| South Main Street Commercial Historic District |
| South Main Street Residential Historic District |
| South Scott Street Historic District |
| South Side Baptist Church |
| Southwestern Bell Headquarters Building |
| Southwestern Proving Ground Building No. 129 |
| Sparks, James, House |
| Spears House |
| Spring-Harrison Historic District |
| Spring Lake Recreation Area Historic District |
| Spring Mill |
| Stack Barn |
| Staggs-Huffaker Building |
| St. Agnes Catholic Church |
| Stamps Store |
| Standard Ice Company Building |
| Standard Oil Company of Louisiana Oil Depot |
| Standard Oil Company Oil Station Garage Building |
| Standard Oil Company Oil Station Pumphouse |
| St. Anthony’s Catholic Church Historic District |
| Star City Commercial Historic District |
| St. Barnabas Episcopal Church |
| Steamboat House |
| Stebbins and Roberts Office Building and Factory |
| St. Edwards Church |
| Steele-Dortch General Store |
Data from United States Park Service and Wikidata
