Arkansas - Significance region: Local
| Rix, Charles N., House |
| Roasting Ear Church and School |
| Robertson Drugstore |
| Robertson House |
| Robins, Frank E., House |
| Robinson, Dr., House |
| Robinson Historic District |
| Robins, Reuben W., House |
| Rock Building |
| Rock Island-Argenta Depot |
| Rock Island Depot |
| Rock Island Depot |
| Rock Island Railroad Overpass |
| Rock Island Railway Depot |
| Rockport Cemetery |
| Rogers, Horace Franklin, House |
| Rogers Milk Plant Building |
| Rollins Hospital |
| Ronoake Baptist Church |
| Rose Building |
| Rosedale Plantation Barn |
| Rose Hill Cemetery |
| Rose Hill Cemetery |
| Roselawn |
| Ross Building |
| Ross. Jane. House |
| Roth-Rosenzweig House |
| Rough and Ready Cemetery |
| Roundtop Filling Station |
| Routh-Bailey House |
| Royal Theatre |
| Royston, Grandison D., House |
| Rucker House |
| Ruddell Mill Site |
| Rumph House |
| Rumph Mortuary |
| Runyan, J. P., House |
| Rusher Hotel |
| Rush, Gene, House |
| Rushton Clinic, The |
| Russell Jail |
| Russell, John, House |
| Russellville Downtown Historic District |
| Russellville Masonic Temple |
| Russellville Public Library |
| Russellville West Overpass |
| Saddle Store |
| Saenger Theater |
| Sager, Simon, Cabin |
| Sailor, C.L., House |
| Saint Andrews Catholic Cathedral |
| Saint Anthony's Catholic Church |
| Saint Anthony's Hospital |
| Saint Paul Methodist Church Cemetery. Historic Section |
| Saint Scholastica Convent |
| Saline Cemetery |
| Saline County Courthouse |
| Salter, James and Jewell, House |
| Sanders-Hollabaugh House |
| Sandidge, June, House |
| Sanitarium Lake Bridges Historic District |
| Sardis Methodist Church |
| Scanlan, Art, House |
| Scatterville Cemetery |
| Schaer, Fred and Lucy Alexander, House |
| School Addition Historic District |
| Schriver House |
| Science Building |
| Scotland Cemetery |
| Scott Cemetery |
| Scott City County Jail, (Old) |
| Scott County Courthouse |
| Scott-Davis House |
| Scott Memorial Methodist Episcopal Church |
| Scull Historic District |
| Searcy Commercial Historic District |
| Searcy County Courthouse |
| Searcy Post Office |
| Sears House |
| Sebastian County Jail, Old |
| Sebastian County Road 4G Bridge |
| Seed Warehouse No. 5 |
| Segraves, Warren, House |
| Self Creek Bridge |
| Sellers House |
| Sellers House |
| Selma Methodist Church |
| Selma Rosenwald School |
| Shady Grove Delmar Church and School |
| Shady Lake Bathhouse |
| Shady Lake Caretaker's House |
| Shady Lake CCC Bridge #1 |
| Shady Lake Dam |
| Shady Lake Picnic Pavilion |
| Shaheen-Goodfellow Weekend Cottage |
| Shaver, Charles W., House |
| Shaver, James D., House |
| Shaver, John W., House |
| Shaver, William, House |
| Shaw-Blair House |
Data from United States Park Service and Wikidata