- South Portage
- Sable
- Sabourins Crossing
- Saginaw
- Sailors Encampment
- Saintfield
- Salem
- Salem
- Salem
- Salem
- Salford
- Salmonville
- Saltford
- Sand Bay Corner
- Sandford
- Sandy Beach
- Sandy Beach
- Sandy Hill
- Sandy Hill
- Sans Souci
- Saratoga
- Sarawak
- Sarnia
- Saugeen Shores
- Sault Ship Canal
- Sault Ste. Marie
- Saurin
- Schepeler
- Schindelsteddle
- Schomberg