South Dakota Cities
- Saint Charles, SD
- Saint Francis, SD
- Saint Lawrence, SD
- Saint Onge, SD
- Salem, SD
- Sanator, SD
- Sansarc, SD
- Savoy, SD
- Scenic, SD
- Schaeferville, SD
- Schmidt Landing, SD
- Scotland, SD
- Selby, SD
- Seneca, SD
- Shadehill, SD
- Shady Beach, SD
- Shamrock Colony, SD
- Shannon Colony, SD
- Sheffield, SD
- Shelby, SD
- Sherman, SD
- Shindler, SD
- Sicangu Village, SD
- Silver City, SD
- Silver Lake Colony, SD
- Sinai, SD
- Sioux Falls, SD
- Sisseton, SD
- Sitka, SD
- Slim Butte, SD
- Smiths Park, SD
- Smithwick, SD
- Snake Creek, SD
- Soldier Creek, SD
- Sorum, SD
- South Dakota Park, SD
- South Shore, SD
- Spain, SD
- Spearfish, SD
- Spencer, SD
- Spink, SD
- Spink Colony, SD
- Spokane, SD
- Spottswood, SD
- Spring Creek, SD
- Spring Creek Colony, SD
- Spring Grove, SD
- Spring Lake Colony, SD
- Spring Valley, SD
- Spring Valley Colony, SD
- Springfield, SD
- St. Charles, SD
- St. Francis, SD
- St. Lawrence, SD
- St. Onge, SD
- Stamford, SD
- Stephan, SD
- Stickney, SD
- Stockholm, SD
- Stone Bridge, SD
- Stoneville, SD
- Storla, SD
- Strandburg, SD
- Stratford, SD
- Stratosphere Bowl, SD
- Strool, SD
- Sturgis, SD
- Sulphur, SD
- Summerset, SD
- Summerville, SD
- Summit, SD
- Sunnyview, SD
- Sunset Colony, SD
- Swett, SD
- Swift Bird, SD
