- Saikaichō-tannōgō
- Saikaichō-yokosegō
- Sakitochō-hirashima
- Sakitochō-hongō
- Sakitochō-kakinouragō
- Seihichō-komukaegō
- Seihichō-miyauragō
- Seihichō-ōgushigō
- Seihichō-shimodakegō
- Seihichō-shirosakigō
- Seihichō-yagiharagō
- Shikama
- Shimosugisaki
- Shioda
- Shirahama
- Sasebo
- Sakibemachi
- Sakihario
- Sakiokachō
- Sakuragichō
- Sashikatachō
- Satoyoshichō
- Sechibarachō-kaisaku
- Sechibaruchō-akakoba
- Sechibaruchō-iwayaguchi
- Sechibaruchō-kiurabaru
- Sechibaruchō-kurimukae
- Sechibaruchō-nagatashiro
- Sechibaruchō-nakadōri
- Sechibaruchō-ōta