Kentucky - Criteria: C (architecture/engineering)
| Shell, John, Cabin |
| Sherley Mansion |
| Sherman Tavern |
| Shobe, Moses, House |
| Short, George, House |
| Showalter House |
| Shropshire House |
| Shwab House |
| Simms-Edelen House |
| Simmstown |
| Simpson County Courthouse |
| Simpsonville Christian Church |
| Simpsonville Methodist Church |
| Simrall-Warfield House |
| Skillman House |
| Smith, Beecher, House |
| Smith, David H., House |
| Smith, Enoch, House |
| Smith, F. A., House |
| Smith House |
| Smith, James, Tanyard |
| Smith, Maj. Hampden, House |
| Smiths Grove Baptist Church |
| Smiths Grove District |
| Smiths Grove Presbyterian Church |
| Smith, Thomas, House |
| Smith, William Alexander, House |
| Smith-Williams House |
| Snead Manufacturing Building |
| Snook House |
| Snook, Van B., House |
| Snow Hill |
| Soldiers and Sailors Memorial Gymnasium |
| Somerset Downtown Commercial District |
| South Central Bell Company Office Building |
| South Cherry Street Historic District |
| Southern National Bank |
| Southgate-Parker-Maddux House |
| South Louisville Reformed Church |
| South Main and South Elm Streets Historic District |
| South Union Shaker Center House and Preservatory |
| South Union Shakertown Historic District |
| Spalding Hall, St. Joseph's College |
| Spalding, Leonard A., House |
| Spears-Craig House |
| Spears, Jacob, Distillery |
| Spears, Jacob, House |
| Speed Building |
| Speed Hall |
| Springfield Armory |
| Springfield Baptist Church |
| Springfield Graded School |
| Spring Hill Farm |
| Spring Station |
| Spur Gasoline Station |
| Stadium |
| Stafford, Francis M., House |
| St. Aloysius Church |
| Stambaugh Church of Christ |
| Stansbury, Zack, House |
| St. Anthony's Roman Catholic Church, Rectory, Convent, and School |
| Starks Building |
| State Theatre |
| St. Augustine Catholic Church |
| St.Bonifacius Kirche Complex |
| St. Catherine of Sienna Convent |
| St. Cecilia School Building |
| St. Dominic's Catholic Church |
| Steam Engine Company No. 10 |
| Steam Engine Company No. 11 |
| Steam Engine Company No. 18 |
| Steam Engine Company No. 20 |
| Steam Engine Company No. 20 |
| Steam Engine Company No. 21 |
| Steam Engine Company No. 22 |
| Steam Engine Company No. 3 |
| Steam Engine Company No. 7 |
| St. Elizabeth of Hungary Roman Catholic Church |
| Stephenson House |
| Sterrett House |
| Stevenson, Dr. John E., House |
| Stevenson, Henry, House |
| Stewart, Dr. Edward S., House |
| Stewart Home School |
| Stewart House |
| Stewart's Dry Goods Company Building |
| Stewart, W.K., Bookstore |
| St. Francis DeSales Roman Catholic Church |
| St. Francis Mission at White Sulphur |
| St George's Roman Catholic Church |
| Stitzel, Arthur P., House |
| St. James Apartments |
| St. James-Belgravia Historic District |
| St. James Roman Catholic Church, Rectory, and School |
| St John's Lutheran Cemetery |
| St. John the Baptist Roman Catholic Church |
| St. John United Methodist Church |
| St. Joseph Cathedral and College Complex |
| St. Joseph Church |
| St. Joseph Proto Cathedral |
Data from United States Park Service and Wikidata
