All - Architectural style - Greek Revival architecture
| Shenandoah County Courthouse |
| Shepard Block |
| Shepherdstown Historic District |
| Sherman, Eber, Farm |
| Sherman House |
| Sherman, William B., Farm |
| Sherrill, Stephen, House |
| Sherwood, Michael, House |
| Shiloh Church |
| Shiloh-Marion Baptist Church and Cemetery |
| Shiloh Meeting House and Cemetery |
| Shirley |
| Shobe, Moses, House |
| Shofners' Lutheran Church and Cemetery |
| Shohola Glen Hotel |
| Shomaker, Ezra and Abigail, House |
| Shopiere Congregational Church |
| Shoreham Congregational Church |
| Shorter House |
| Short, George, House |
| Showalter House |
| Shrewsbury, Charles L., House |
| Shrewsbury Historic District |
| Shropshire House |
| Shute Octagon House |
| Shute, Thomas, House |
| Sidney Walnut Avenue Historic District |
| Sigler, Eli, House |
| Silkman House |
| Silliman Institute |
| Siloam Baptist Church |
| Silver Lake Bank |
| Silvernail Homestead |
| Silver Row |
| Simmons, William S., Plantation |
| Simons' Inn |
| Simonson, Alfred, House |
| Simpson, Samuel, House |
| Simpson, William Dunlap, House |
| Simsbury Townhouse |
| Singleton, Capt. William E., House |
| Sipple, Thomas, House |
| Sistersville Historic District |
| Six Principle Baptist Church |
| Skewarkey Primitive Baptist Church |
| Skinner, Dr. Charles and Susan, House and Outbuildings |
| Slave Street, Smokehouse, and Allee, Boone Hall Plantation |
| Sledge, Augusta, House |
| Sledge-Hayley House |
| Sleeper, Albert E., House |
| Slingerlands, Albert, House |
| Sloat House |
| Sloat, Jacob, House |
| Slowey, Patrick, House |
| Small House |
| Smathers-Demorse House |
| Smith, Archibald, House |
| Smith-Buntura-Evans House |
| Smith, Daniel, House |
| Smith, Daniel, House |
| Smith, Dr. Benjamin Franklin, House |
| Smith, Edward, Jr., Farm |
| Smith-Emery House |
| Smith, Ephraim, House |
| Smithfield |
| Smithfield Masonic Lodge |
| Smithfield Presbyterian Church |
| Smith House, The |
| Smith, Jacob, House |
| Smith, James, House |
| Smith, Jim, House |
| Smith, John Mace, House |
| Smithland |
| Smithland Farm |
| Smith-Lyon Farmhouse |
| Smith, Marshall, House |
| "Smith, ""Raccoon"" John, House" |
| Smith, Robert Shand, House |
| Smithville Seminary |
| Smithville Valley Grange No. 1397 |
| Smith, William H., House |
| Smith-Williams House |
| Smith, Zebulon, House |
| Smoketown School |
| Smyrna Methodist Church |
| Smyth, Peter, House |
| Snells Bush Church and Cemetery |
| Snow Creek Methodist Church and Burying Ground |
| Snowville Historic District |
| Soaper, William, Farm |
| Sodality Chapel |
| Solitude Plantation House |
| Somerset Academy |
| Somers Historic District |
| Somersville Historic District |
| Sorrick-Oster Store |
| South Berrien Center Union Church and Cemetery |
| South Brick House |
| South Britain Historic District |
| South Bushwick Reformed Protestant Dutch Church Complex |
Data from United States Park Service and Wikidata