Kansas - Criteria: C (architecture/engineering)
| Reid, Lyman, House |
| Reiff Building |
| Reno County Courthouse |
| Republican River Pegram Truss |
| Republic County Courthouse |
| Rice County Courthouse |
| Rice, J.R., Farmstead |
| Riggs, Samuel A., House |
| Riley County Courthouse |
| Riley Creek Bridge |
| Ritchie, John and Mary, House |
| Riverside Cottage |
| Riverview Apartments |
| Roberts House |
| Roberts, John N., House |
| Robertson House |
| Robidoux Creek Pratt Truss Bridge |
| Rock Island Depot |
| Rock Island Depot |
| Rocky Ford School |
| Rooks County Courthouse |
| Rosedale World War I Memorial Arch |
| Ross Row Houses |
| Rush County Courthouse |
| Russell County Jail and Sheriff's Residence |
| Sabine Hall |
| Sacred Heart Cathedral |
| Saint Luke African Methodist Episcopal Church |
| Saint Margaret's Hospital |
| Salt Creek Truss Leg Bedstead Bridge |
| Santa Fe Depot |
| Santa Fe Depot |
| Santa Fe Depot |
| Sargent, John, House |
| Sauer Castle |
| Schaeffler, William F. and Ida G., House |
| Schermerhorn, Edgar Backus, House |
| Schleifer-McAlpine House |
| Schmitt House |
| Schroeder, J. S., Building |
| Schuyler Grade School |
| Schwartz, A. J., House |
| Scottish Rite Temple |
| Scottish Rite Temple |
| Security Benefit Association Hospital Building |
| Security State Bank |
| Sedgwick County Memorial Hall and Soldiers and Sailors Monument |
| Seelye, A. B., House |
| Seven Dolors Catholic Church |
| Shafer Barn |
| Shafer, Theodore, House |
| Shaft, William C. & Jane, House |
| Shallow Water School |
| Shawnee Street Overpass |
| Shelley-Tipton House |
| Shiloh Baptist Church |
| Shirley Opera House |
| Shoemaker, J.A., House |
| Silkville |
| Silver Creek Bridge |
| Simcock House |
| Smith, D. G., Building |
| Smith, Edwin, House |
| Smith, H.F., House |
| Smith, Ray L., House |
| Smyser House |
| Snokomo School |
| Snow House |
| Soden, Hallie B., House |
| Soden's Grove Bridge |
| Soldiers and Sailors Memorial Building |
| Southeast Stone Arch Bridge - Lake Wabaunsee |
| South Kansas Avenue Commercial Historic District |
| Spencer's Crossing Bridge |
| Spickard, Joseph L., House |
| Spooner Hall, University of Kansas |
| Spring Creek Tributary Bridge |
| Spring Hill Ranch |
| Staatz House |
| Stackman Court Apartments |
| State Bank of Holton |
| State Steet Bridge |
| St. Augustine Hall |
| St. Benedict's Church |
| St. Bridget Church |
| Steele, Herbert and Eliza, House |
| Stein, Frederick W., House |
| Stein House |
| Stephens, Judge Nelson T., House |
| Sterling Free Public Carnegie Library |
| Sternberg, William, House |
| Stevenson, S.T., House |
| St. Fidelis Catholic Church |
| St. John's Episcopal Church |
| St. John's Episcopal Church |
| St. John's Lutheran College Girls Dormitory |
| St. John's Lutheran School |
| St. John the Baptist Catholic Church |
| St. Joseph Catholic Church |
| St. Joseph's Catholic Church |
Data from United States Park Service and Wikidata