| City | Region |
|---|
| ›Sabae | Honshu (Fukui)› |
| ›Sado | Niigata-ken (Sado Island)› |
| ›Saga | Kyushu (Saga)› |
| ›Sagae | Yamagata› |
| ›Sagamihara | Honshu (Kanagawa-ken)› |
| ›Sagamihara | Honshu (Kanagawa-ken)› |
| ›Sagara | Honshu (Shizuoka-ken)› |
| ›Sai | Hokkaido› |
| ›Saijo | Shikoku (Ehime)› |
| ›Saiki | Kyushu (Oita)› |
| ›Sakado | Honshu (Shimane-ken)› |
| ›Sakae | Honshu (Saitama-ken)› |
| ›Sakai | Honshu (Osaka)› |
| ›Sakaide | Shikoku (Kagawa)› |
| ›Sakaiminato | Honshu (Tottori-ken)› |
| ›Sakata | Honshu (Yamagata-ken)› |
| ›Sakawa | Honshu (Kanagawa-ken)› |
| ›Sakegawa | Yamagata› |
| ›Sakura | Honshu (Tochigi)› |
| ›Sakura | Honshu (Chiba-ken)› |
| ›Sakuragawa | Honshu (Ibaraki-ken)› |
| ›Samani | Hokkaido› |
| ›Samegawa | Honshu (Ibaraki-ken)› |
| ›Samukawa | Honshu (Kanagawa-ken)› |
| ›Sanda | Honshu (Hyogo)› |
| ›Sanjō | Honshu (Niigata-ken)› |
| ›Sannohe | Honshu (Iwate)› |
| ›Sano | Honshu (Gunma-ken)› |
| ›Sapporo | Hokkaido› |
| ›Sasebo | Kyushu (Nagasaki)› |
| ›Satte | Honshu (Shimane-ken)› |
| ›Sawara | Hokkaido› |
| ›Sayama | Honshu (Tokyo)› |
| ›Seiro | Honshu (Niigata-ken)› |
| ›Seki | Honshu (Gifu-ken)› |
| ›Sekikawa | Honshu (Niigata-ken)› |
| ›Senboku | Honshu (Iwate)› |
| ›Sendai | Honshu (Miyagi)› |
| ›Sengokuhara | Honshu (Kanagawa-ken)› |
| ›Setagaya | Honshu (Tokyo)› |
| ›Seto | Honshu (Aichi-ken)› |
| ›Shibata | Honshu (Miyagi)› |
| ›Shibata | Honshu (Niigata-ken)› |
| ›Shibayama | Honshu (Chiba-ken)› |
| ›Shibetsu | Hokkaido› |
| ›Shibukawa | Honshu (Gunma-ken)› |
| ›Shibushi | Kyushu (Kagoshima-ken)› |
| ›Shichigahama | Honshu (Miyagi)› |
| ›Shichikashuku | Honshu (Miyagi)› |
| ›Shichinohe | Honshu (Aomori)› |
| ›Shika | Honshu (Ishikawa-ken)› |
| ›Shikama | Honshu (Miyagi)› |
| ›Shiki | Honshu (Shimane-ken)› |
| ›Shima | Honshu (Mie)› |
| ›Shimabara | Kyushu (Nagasaki)› |
| ›Shimizu | Honshu (Shizuoka-ken)› |
| ›Shimoda | Honshu (Shizuoka-ken)› |
| ›Shimogo | Honshu (Fukushima)› |
| ›Shimonoseki | Honshu (Yamaguchi-ken)› |
| ›Shimotsui | Honshu (Okayama-ken)› |
| ›Shimotsuke | Honshu (Ibaraki-ken)› |
| ›Shimotsuma | Honshu (Ibaraki-ken)› |
| ›Shinagawa | Honshu (Tokyo)› |
| ›Shinchi | Honshu (Miyagi)› |
| ›Shingo | Honshu (Iwate)› |
| ›Shingu | Honshu (Wakayama)› |
| ›Shinjo | Yamagata› |
| ›Shinshiro | Honshu (Aichi-ken)› |
| ›Shinto | Honshu (Gunma-ken)› |
| ›Shiogama | Honshu (Miyagi)› |
| ›Shioya | Honshu (Tochigi)› |
| ›Shirakawa | Honshu (Gifu-ken)› |
| ›Shirakawa | Honshu (Gifu-ken)› |
| ›Shirakawa | Honshu (Tochigi)› |
| ›Shirako | Honshu (Chiba-ken)› |
| ›Shiraoka | Honshu (Shimane-ken)› |
| ›Shirataka | Honshu (Yamagata-ken)› |
| ›Shiroi | Honshu (Chiba-ken)› |
| ›Shiroishi | Honshu (Miyagi)› |
| ›Shirosato | Honshu (Ibaraki-ken)› |
| ›Shiwa | Honshu (Iwate)› |
| ›shizukuishi | Honshu (Iwate)› |
| ›Shizuoka | Honshu (Shizuoka-ken)› |
| ›Shonai | Honshu (Yamagata-ken)› |
| ›Showa | Honshu (Fukushima)› |
| ›Showa | Honshu (Gunma-ken)› |
| ›Sodegaura | Honshu (Kanagawa-ken)› |
| ›Soka | Honshu (Saitama-ken)› |
| ›Soma | Honshu (Miyagi)› |
| ›Sosa | Honshu (Chiba-ken)› |
| ›Sotogahama | Aomori› |
| ›Soya-misaki | Hokkaido› |
| ›Sugito | Honshu (Shimane-ken)› |
| ›Sukagawa | Honshu (Fukushima)› |
| ›Sukumo | Shikoku (Kochi)› |
| ›Sumita | Honshu (Iwate)› |
| ›Sumoto | Honshu (Hyogo)› |
| ›Susaki | Shikoku (Kochi)› |
| ›Susami | Honshu (Wakayama)› |
| ›Susono | Honshu (Shizuoka-ken)› |
| ›Suttsu | Hokkaido› |
| ›Suzaka | Honshu (Nagano-ken)› |
| ›Suzu | Ishikawa› |
| ›Suzuka | Honshu (Mie)› |
