Alabama - Criteria: C (architecture/engineering)
| Saratoga Victory Mill |
| Sardis Baptist Church |
| Saturn V Dynamic Test Stand |
| Sayre Street School |
| Schiffman Building |
| School of Organic Education |
| Schoppert, Phillip, House |
| Scottish Rites Temple |
| Scott-Yarbrough House |
| Seaboard Coastline Depot |
| Seaboard Coast Line Railroad Depot |
| Second Presbyterian Church |
| Security Bank Building |
| Seminary-O'Neal Historic District |
| Semmes, Raphael, House |
| Semple House |
| Shady Grove Methodist Church and Cemetery |
| Shapre-Monte House |
| Shawmut Historic District |
| Sheffield Downtown Commercial Historic District |
| Sheffield Residential Historic District |
| Shepherd Building |
| Sheppard Cottage |
| Shirley, James, House |
| Shoal Creek Church |
| Shorter Mansion |
| Silk Stocking District |
| Siloam Baptist Church |
| Sixteenth Street Baptist Church |
| Skinner, Marcus Meyer, House |
| Skyline Commissary |
| Sledge, Augusta, House |
| Sloss Blast Furnace Site |
| Slossfield Community Center |
| Smithfield Historic District |
| Smith, Joseph Riley, Historic District |
| Smith-Joseph-Stratton House |
| Smith Residential Historic District |
| Snead Junior College Historic District |
| Snellgrove, Thomas A., Homestead |
| Snow, Dudley, House |
| Snow Valley Residential Historic District |
| Sodality Chapel |
| Somerville Courthouse |
| Southall Drugs |
| South Central Historic District |
| South East Lake Historic District |
| Southern Railroad Depot |
| Southern Railway Depot |
| Southern Railway Depot |
| Southern Railway System Depot |
| Southern Railway Terminal Station |
| South Greenville Historic District |
| South Highlands of East Lake Historic District |
| South Lafayette Street Creole Cottages |
| South Perry Street Historic District |
| Southside Historic District |
| South Street Historic District |
| Spotswood, Robert L., House |
| Spring Hill College Quadrangle |
| Spring Hill Methodist Church |
| Spring Villa |
| Springville Historic District |
| St. Andrew's Church |
| Starke, Lewis, House |
| State Bank Building, Decatur Branch |
| State Bank Silverhill |
| State Street A.M.E. Zion Church |
| Stay House |
| Steele-Fowler House |
| Steger House |
| Steiner Bank Building |
| Steiner-Lobman and Teague Hardware Buildings |
| Stephenson House |
| Stevenson Historic District |
| Stewart, Amelia, House |
| Stewart-Blanton House |
| Stewartfield |
| St. Francis Street Methodist Church |
| Stiefelmeyer's |
| St. John's Episcopal Church |
| St. John's Episcopal Church |
| St. John's-In-The-Prairie |
| St. Luke AME Church |
| St. Luke's Episcopal Church |
| St. Mark's Lutheran Church |
| St. Michael and All Angels Episcopal Church |
| Stockton Methodist Church |
| Stonecroft |
| Stone Plantation |
| Stone Street Baptist Church |
| Stone Street Cemetery |
| St. Patrick's Catholic Church |
| St. Paul's Catholic Church |
| St. Paul's Episcopal Church |
| St. Paul's Episcopal Church |
| Street House |
| Struve-Hay Building |
| Stuart, Henry, House |
| Sturdivant Hall |
Data from United States Park Service and Wikidata
