All - Architectural style - Greek Revival architecture
| South Carolina Statehouse |
| South Cherry Street Historic District |
| Southern National Bank |
| South Franklin Street Historic District |
| South Harwich Methodist Church |
| South Park Calvary United Presbyterian Church |
| South School |
| South Street Seaport |
| South Sutton Meeting House |
| Southwest Mountains Rural Historic District |
| Sowers, Peter J., House |
| Sowers, Philip, House |
| Spafford House |
| Spann Methodist Church and Cemetery |
| Sparkman-Skelley Farm |
| Sparks-Anderson House |
| Sparks, Gov. Chauncy, House |
| Spaulding House |
| Spear, Seth, Homestead |
| Speed the Plough |
| Speight-Bynum House |
| Spell House |
| Spencer House |
| Spencer, Roswell, House |
| Spencertown Academy |
| Spencer Town Hall |
| Spence, William, House |
| Spooner-Haight Farmstead |
| Spotsylvania Court House Historic District |
| Sprague-Deaver House |
| Sprague House |
| Spratt-Allen-Aull House |
| Spread Eagle Tavern-Conrey, James D., House |
| Springbank |
| Spring Creek Presbyterian Church |
| Springfield |
| Springfield Armory |
| Springfield Brick House |
| Springfield Mill |
| Springfield Presbyterian Church |
| Spring Green Primitive Baptist Church |
| Spring Grove |
| Spring Grove Farm and Distillery |
| Spring Hill Farm |
| Spring Hill Methodist Church |
| Springtown Historic District |
| Squire's Glen Farm |
| Stacker, Samuel, House |
| Stage Coach Inn |
| Stage Coach Inn |
| Stage Coach Inn |
| Staker, Alma, House |
| Stallings-Carpenter House |
| Stancioff House |
| St. Andrew's Episcopal Church |
| St. Andrew's Episcopal Church |
| Stanley House |
| Stannard House |
| Stannard Schoolhouse |
| Stansbury, Zack, House |
| St. Anthony's Roman Catholic Church Complex |
| Stanton Hall |
| Stanton, Jacob, House |
| Stanton Masonic Lodge and School |
| Staples-Crafts-Wiswall Farm |
| Staples, Sylvanus N., House |
| Starke, Lewis, House |
| Starkey United Methodist Church |
| Starr House |
| Starr-Truscott House |
| State Bank Building, Decatur Branch |
| State Bank of Indiana, Branch of (Memorial Hall) |
| State Bank of North Carolina |
| Stately Oaks |
| State Street Houses |
| Stauber, Samuel B., Farm |
| St. Augustine Church |
| St. Basil's Academy |
| St. Charles Historic District |
| St. Denis Catholic Church |
| Steamboat Hotel |
| Stearns, Amos, House |
| Steedman-Ray House |
| Steele-Fowler House |
| Steele, T.C., Boyhood Home |
| Steele, William, House |
| Steen, Robert, House |
| St. Elmo |
| St. Emma |
| Sterling, Ella Mahalla Cutter, House |
| Sterling Grist Mill Complex |
| Sterling Hill Historic District |
| Stetson Hall |
| Stetson Union Church |
| Stevens, Andrew J., House |
| Stevens-Buchanan House |
| Stevens, Everitt P., House |
| Stevens, Levi, House |
| Stewart, Amelia, House |
| Stewart-Anderson House |
Data from United States Park Service and Wikidata