| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sala Nam Put | city | Khoueng Phongsali | Laos | 21.7522222 | 101.9661111 | 3110 | 1363 |
| Sam Lang | city | Khoueng Phongsali | Laos | 21.5591667 | 102.0725 | 3861 | 1386 |
| San Tho | city | Khoueng Phongsali | Laos | 21.6847222 | 101.9591667 | 3533 | 1416 |
| Sanchachong | city | Khoueng Phongsali | Laos | 22.2680556 | 102.1033333 | 3772 | 1148 |
| Sang Ko Chong | city | Khoueng Phongsali | Laos | 22.365 | 101.8552778 | 3540 | 1390 |
| Sang Na | city | Khoueng Phongsali | Laos | 21.1238889 | 102.4436111 | 2634 | 2650 |
| Selaoutya | city | Khoueng Phongsali | Laos | 21.8752778 | 101.7625 | 3868 | 1665 |
| Sen In | city | Khoueng Phongsali | Laos | 21.4958333 | 102.1375 | 3694 | 1354 |
| Sen Kam | city | Khoueng Phongsali | Laos | 21.1480556 | 102.0658333 | 2470 | 1583 |
| Sen Luk | city | Khoueng Phongsali | Laos | 21.0869444 | 102.6497222 | 2116 | 1421 |
| Sen Luong | city | Khoueng Phongsali | Laos | 21.0394444 | 102.7625 | 2089 | 1526 |
| Sen May | city | Khoueng Phongsali | Laos | 21.4483333 | 102.1611111 | 4396 | 1415 |
| Sen Ngeum | city | Khoueng Phongsali | Laos | 21.2277778 | 102.4913889 | 3313 | 2644 |
| Sen Niang | city | Khoueng Phongsali | Laos | 21.0619444 | 102.3255556 | 2959 | 2626 |
| Sen Quang | city | Khoueng Phongsali | Laos | 21.2125 | 102.1780556 | 2424 | 2163 |
| Sen Quang Houei | city | Khoueng Phongsali | Laos | 21.2125 | 102.1780556 | 2424 | 2163 |
| Sen Sai | city | Khoueng Phongsali | Laos | 21.6938889 | 102.3430556 | 3375 | 1392 |
| Sen Sai 2 | city | Khoueng Phongsali | Laos | 21.6938889 | 102.3430556 | 3375 | 1392 |
| Sen Si | city | Khoueng Phongsali | Laos | 21.6938889 | 102.3430556 | 3375 | 1392 |
| Sen Su Kha | city | Khoueng Phongsali | Laos | 21.7041667 | 102.2722222 | 2654 | 1293 |
| Sen Su Khu | city | Khoueng Phongsali | Laos | 21.7041667 | 102.2722222 | 2654 | 1293 |
| Seng Luk | city | Khoueng Phongsali | Laos | 21.0869444 | 102.6497222 | 2116 | 1421 |
| Seochai | city | Khoueng Phongsali | Laos | 22.4258333 | 101.7341667 | 2919 | 1523 |
| Si Lieng Sou | city | Khoueng Phongsali | Laos | 22.17 | 101.9747222 | 3664 | 1148 |
| Si Pha Ti | city | Khoueng Phongsali | Laos | 22.1277778 | 101.6238889 | 4137 | 2181 |
| Sien Loun | city | Khoueng Phongsali | Laos | 21.9941667 | 101.7555556 | 3031 | 1201 |
| Sin Chai | city | Khoueng Phongsali | Laos | 22.23 | 101.9169444 | 4468 | 1148 |
| Sin Chai | city | Khoueng Phongsali | Laos | 22.061111 | 101.9261111 | 2237 | 1153 |
| Som Phu | city | Khoueng Phongsali | Laos | 21.0177778 | 102.7161111 | 1751 | 1555 |
| Son Lin Chai | city | Khoueng Phongsali | Laos | 22.0961111 | 102.0111111 | 3428 | 1161 |
| Song Niang | city | Khoueng Phongsali | Laos | 21.0619444 | 102.3255556 | 2959 | 2626 |
| Sop At | city | Khoueng Phongsali | Laos | 21.0708333 | 102.5730556 | 1719 | 2550 |
| Sop Kai | city | Khoueng Phongsali | Laos | 21.0463889 | 102.4388889 | 1453 | 2651 |
| Sop Koi | city | Khoueng Phongsali | Laos | 21.0463889 | 102.4388889 | 1453 | 2651 |
| Sop Lang | city | Khoueng Phongsali | Laos | 21.1794444 | 102.4819444 | 1453 | 2646 |
| Sop Leng | city | Khoueng Phongsali | Laos | 21.1794444 | 102.4819444 | 1453 | 2646 |
| Sop Ping | city | Khoueng Phongsali | Laos | 22.0713889 | 102.0452778 | 2303 | 1231 |
| Sop Pong | city | Khoueng Phongsali | Laos | 22.0713889 | 102.0452778 | 2303 | 1231 |
| Sop Sai | city | Khoueng Phongsali | Laos | 21.1933333 | 102.4711111 | 1906 | 2646 |
| Sop Sei | city | Khoueng Phongsali | Laos | 21.1933333 | 102.4711111 | 1906 | 2646 |
| Sopnao | city | Khoueng Phongsali | Laos | 21.1611111 | 102.7636111 | 1400 | 1218 |
| Sou Lin Cha | city | Khoueng Phongsali | Laos | 22.0538889 | 101.6919444 | 3011 | 1168 |
| Sou Lin Chai | city | Khoueng Phongsali | Laos | 22.0538889 | 101.6919444 | 3011 | 1168 |
| Sou Lin Chai | city | Khoueng Phongsali | Laos | 22.0961111 | 102.0111111 | 3428 | 1161 |
| Sou Lin Chay | city | Khoueng Phongsali | Laos | 22.0538889 | 101.6919444 | 3011 | 1168 |
| Sy La | city | Khoueng Phongsali | Laos | 21.6422222 | 102.3172222 | 2424 | 1345 |
| Séochai | city | Khoueng Phongsali | Laos | 22.4258333 | 101.7341667 | 2919 | 1523 |
| Sôpnao | city | Khoueng Phongsali | Laos | 21.1611111 | 102.7636111 | 1400 | 1218 |
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