Places beginning with SA in South Dakota, United States
- Saint Charles
- Saint Charles, Township of
- Saint Francis
- Saint Francis, Town of
- Saint Lawrence
- Saint Lawrence, Town of
- Saint Lawrence, Township of
- Saint Onge
- Saint Onge, Township of
- Salem
- Salem, City of
- Salem (historical), Township of
- Salem, Township of
- Salern, Township of
- Sanator
- Sanborn County
- Sand Creek, Township of
- Sand Hill Subdivision
- Sand Lake (historical), Township of
- Sangamon, Township of
- Sanner, Township of
- Sansarc
- Sansarc, Township of
- Saratoga, Township of
- Savo, Township of
- Savoy
- Saybrook (historical)