Oklahoma - Role: Building
| Robertson, Dr. William A.T. and Lillian, House |
| Rock Cafe |
| Rock House |
| Rock Island Depot |
| Rock Island Depot |
| Rock Island Depot |
| Rock Island Depot |
| Rock Island Passenger Station |
| Rock Island Passenger Station |
| Rock Island Plow Building |
| Roff Armory |
| Rogers, Will, Birthplace |
| Rogers, Will, Hotel |
| Roosevelt Elementary School |
| Rosamund |
| Rosenstein Building |
| Rosenwald Hall |
| Rouleau Hotel |
| Sacred Heart Catholic Church and Rectory |
| Saints Cyril and Methodius Russian Orthodox Greek Catholic Church |
| Saline District Courthouse |
| Sallisaw High School |
| Sally Ann Apartments |
| Sand Springs Power Plant |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot of Lindsay |
| Santa Fe Freight Depot |
| Sayre Champlin Service Station |
| Sayre-Mann House |
| Sayre Rock Island Depot |
| Schultz-Neal Stone Barn |
| Science Building |
| Science Hall |
| Scottish Rite Temple |
| Scott Store |
| Seaba's Filling Station |
| Seawell-Ross-Isom House |
| Seay Mansion |
| Security National Bank |
| Seiling Milling Company |
| Selph Building |
| Seminole County Courthouse |
| Seminole High School |
| Seminole Municipal Building |
| Sequoyah's Cabin |
| Severs Block |
| Severs Hotel |
| Shady Point School |
| Sharp Lumberyard |
| Shattuck National Bank Building |
| Shawnee Friends Mission |
| Sheets House |
| Sherman Machine and Iron Works Building |
| Shinn Family Barn |
| Sieber Grocery and Apartment Hotel |
| Simmons, Louis B., House |
| Sinclair Service Station |
| Sinopoulo, John, House |
| Sixth Street Commercial/Residential Historic District |
| Skelly, William G., House |
| Skirvin Hotel |
| Skullyville County Jail |
| Slaughter, Dr. W.H., House |
| Smallwood, Benjamin Franklin, House |
| Smith and Kernke Funeral Directors |
| Snow School |
| Sod House |
| Soldani Mansion |
| Sooner Theater Building |
| Sophian Plaza |
| Southern Hotel |
| Southwestern Bell Main Dial Building |
| Southwestern Bell Telephone Building |
| Spaulding-Olive House |
| Spaulding School Gymnasium-Auditorium |
| Speer School |
| Spencerville School Campus |
| Splitlog Church |
| Spraker Service Station |
| Spring Dell School |
| Stanford Furniture Co. Building |
| St. Ann’s Home for the Aged |
| St. Anthony's Catholic Church |
| State Highway Department Testing Laboratory |
| State National Bank Building |
| St. Cloud Hotel |
| Stein, L. L., House |
| St. George Episcopal Church |
| St. Gregory's Abbey and College |
| Stigler School Gymnasium-Auditorium |
| Stillwater Santa Fe Depot |
| Stine Building |
| St James Episcopal Church |
| St. John Baptist Church and Rectory |
| St. John's Evangelical Lutheran Church |
Data from United States Park Service and Wikidata
