- Shirishizu
- Suminoe
- Shigaichi
- Shinjō
- Sakaemachi
- Sakushu
- Satomigaoka
- Seki
- Shimizu
- Shimo-hakuai
- Shimoaikappu
- Shimohorobetsu
- Shimokunnebetsu
- Shimorikubetsu
- Shimotomamu
- Shimotorari
- Shimowashippu
- Shinmachi
- Shiraito
- Shokusan
- Shōnai
- Shōtoshibetsu
- Suehiro
- Shinotsu
- Shimamatsu-honmachi
- Shimamatsuzawa
- Saiwaichō
- Sakaechō
- Sansen
- Shanai