Kentucky - Criteria: A (event)
| Soldiers and Sailors Memorial Gymnasium |
| Somerset Armory |
| South Broadway Neighborhood District |
| 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 |
| Spears, Jacob, Distillery |
| Spears, Jacob, House |
| Spindletop Farm |
| Springfield Armory |
| Spring Station |
| Spur Gasoline Station |
| Sroufe House |
| Stacey Hotel |
| St. Aloysius Church |
| Standard Oil Company Filling Station |
| Stapleton Farm |
| State Theatre |
| St. Augustine Church Complex |
| St. Bartholomew Parish School |
| St.Bonifacius Kirche Complex |
| Stearns Administrative and Commercial District |
| Stearns Golf Course |
| Stephen Foster Elementary School |
| Stevenson, Henry, House |
| Stewart Home School |
| Stewart's Dry Goods Company Building |
| St. Francis DeSales Roman Catholic Church |
| St. Francis Mission at White Sulphur |
| St George's Roman Catholic Church |
| St. James AME Church |
| St. James AME Church |
| St. James Apartments |
| St. James-Belgravia Historic District |
| St John's Lutheran Cemetery |
| St. John United Methodist Church |
| St. Joseph Cathedral and College Complex |
| St. Joseph Church |
| St. Joseph Church |
| St. Joseph Proto Cathedral |
| St. Joseph's Catholic Church and Cemetery |
| St. Mary's College Historic District |
| Stone Barn on Brushy Creek |
| Stone Bridge at Chaplin Creek |
| Stone House on Buffalo Creek |
| Stone House on West Hickman |
| Stone, John, House |
| Stoney Castle |
| St. Rose Roman Catholic Church Complex |
| St. Theresa Roman Catholic Church |
| St. Therese Church |
| St. Therese Roman Catholic Church, School, and Rectory |
| St. Thomas Episcopal Church |
| St. Thomas Roman Catholic Church and Howard-Flaget House |
| Sulphur Well Historic District |
| Superintendent's House |
| Swann, W.G., Tobacco Company |
| Tabernacle, The |
| Tate Building |
| Taylor County Clerk's Office |
| Taylor, J. B., and Son Feed Store |
| Temple Adath Israel |
| Tevis Cottage |
| Thomas Chapel C.M.E. Church |
| Thompson and Powell Martyrs Monument |
| Three Mile Tollhouse |
| Three Springs Pumphouse |
| Tiemeyer House |
| Tilghman, Lloyd, Memorial |
| Tilghman-Woolfolk House |
| Tobacco Realty Company |
| Tonieville Store |
| Trabue, Daniel, House |
| Traveler's Rest |
| Trimble County Jail |
| Trinity Episcopal Church |
| Trinity Episcopal Church |
| Trutschell House |
| Tuliphurst |
| Turner, J.L. and Son, Building |
| Twin Gates Carriage House |
| Tyler Settlement Rural Historic District |
| Uebel House |
| Union Bus Station |
| Union Monument in Louisville |
| Union Monument in Perryville |
| Union Monument in Vanceburg |
| Union Station |
| Union Station |
| Union Station School |
| United States Marine Hospital of Louisville |
| Universal Car Company |
| University of Louisville Belknap Campus |
| University of Louisville School of Medicine |
| Unknown Confederate Dead Monument in Perryville |
| Unknown Confederate Soldier Monument in Horse Cave |
| Ursuline Academy and Convent |
| U.S. Army Corps of Engineers Superintendent's House and Workmen's Office |
| U.S. Army Fort Thomas Mess Hall |
Data from United States Park Service and Wikidata
