S
- Saddleworth
- Sandalwood
- Sanderston
- Sandy Creek
- Second Valley
- Sedan
- Seppeltsfield
- Shea-Oak Log
- Sherlock
- Smoky Bay
- Snowtown
- Solomontown
- South Kilkerran
- Southend
- Spalding
- Springton
- Stansbury
- Stenhouse Bay
- Stirling North
- Stockport
- Stockwell
- Stone Well
- Strathalbyn
- Streaky Bay
- Sutherlands
- Swan Reach
Read more about this topic: List Of Cities And Towns In South Australia