| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sablay | city | Province of Sulu | Philippines | 5.5288889 | 120.8275 | 656 | 40533 |
| Saimbangon | city | Province of Sulu | Philippines | 5.8113889 | 121.1391667 | 826 | 8250 |
| Saimbangon | city | Province of Sulu | Philippines | 5.8391667 | 121.1425 | 187 | 8603 |
| Sait Higud | city | Province of Sulu | Philippines | 6.033333 | 121.2388889 | 0 | 23221 |
| Sait Lake | city | Province of Sulu | Philippines | 5.9811111 | 121.2147222 | 259 | 36999 |
| Saldang | city | Province of Sulu | Philippines | 5.9372222 | 120.9088889 | 442 | 24405 |
| Salimbangan | city | Province of Sulu | Philippines | 6.2641667 | 120.5591667 | 3 | 7118 |
| Samak | city | Province of Sulu | Philippines | 5.9761111 | 121.0736111 | 518 | 63550 |
| Sampalaum | city | Province of Sulu | Philippines | 5.8083333 | 121.1369444 | 485 | 8250 |
| Sampunay | city | Province of Sulu | Philippines | 5.9486111 | 120.91 | 501 | 24405 |
| San Raymundo | city | Province of Sulu | Philippines | 6.05 | 121 | 134 | 79893 |
| Sanda | city | Province of Sulu | Philippines | 6.0769444 | 121.0686111 | 229 | 48348 |
| Sang | city | Province of Sulu | Philippines | 5.8719444 | 121.2713889 | 22 | 8762 |
| Sangay | city | Province of Sulu | Philippines | 6.2711111 | 120.4816667 | 0 | 2885 |
| Sangkap | city | Province of Sulu | Philippines | 5.8069444 | 121.1736111 | 351 | 8805 |
| Sapa Bagan | city | Province of Sulu | Philippines | 5.8830556 | 121.2863889 | 85 | 20415 |
| Sapa Bunuan | city | Province of Sulu | Philippines | 5.9666667 | 121.1333333 | 232 | 56897 |
| Sapa Malaem | city | Province of Sulu | Philippines | 5.8083333 | 121.1369444 | 485 | 8250 |
| Sapa-Malaum | city | Province of Sulu | Philippines | 5.8083333 | 121.1369444 | 485 | 8250 |
| Sar | city | Province of Sulu | Philippines | 5.8666667 | 121.2666667 | 3 | 8762 |
| Sarukut | city | Province of Sulu | Philippines | 5.5041667 | 120.8744444 | 3 | 45146 |
| Sawaki" | city | Province of Sulu | Philippines | 5.9666667 | 120.9833333 | 396 | 79091 |
| Sawaki” | city | Province of Sulu | Philippines | 5.9666667 | 120.9833333 | 396 | 79091 |
| Se Ipang | city | Province of Sulu | Philippines | 6.3108333 | 120.5519444 | 3 | 8415 |
| Sedapantung | city | Province of Sulu | Philippines | 6.315 | 120.5563889 | 3 | 8415 |
| Segimban | city | Province of Sulu | Philippines | 6.3152778 | 120.5786111 | 0 | 8415 |
| Seit | city | Province of Sulu | Philippines | 5.9833333 | 121.2166667 | 259 | 36999 |
| Seit | city | Province of Sulu | Philippines | 6.011111 | 121.2344444 | 78 | 23221 |
| Seit Lake | city | Province of Sulu | Philippines | 5.9811111 | 121.2147222 | 259 | 36999 |
| Seit Tayungan | city | Province of Sulu | Philippines | 5.9669444 | 121.2630556 | 505 | 31552 |
| Sekilangal | city | Province of Sulu | Philippines | 6.0655556 | 121.7086111 | 0 | 2460 |
| Senogan | city | Province of Sulu | Philippines | 6 | 120.9013889 | 229 | 25808 |
| Si Ase" | city | Province of Sulu | Philippines | 5.5444444 | 120.8161111 | 324 | 37899 |
| Si Ase” | city | Province of Sulu | Philippines | 5.5444444 | 120.8161111 | 324 | 37899 |
| Si Buad | city | Province of Sulu | Philippines | 5.4994444 | 120.7811111 | 0 | 11026 |
| Si Ipang | city | Province of Sulu | Philippines | 6.3108333 | 120.5519444 | 3 | 8415 |
| Si Kub | city | Province of Sulu | Philippines | 7.0155556 | 118.435 | 39 | 12497 |
| Si Panbing | city | Province of Sulu | Philippines | 5.5386111 | 120.8813889 | 144 | 31701 |
| Si"it Lake | city | Province of Sulu | Philippines | 5.9833333 | 121.2166667 | 259 | 36999 |
| Siasi | city | Province of Sulu | Philippines | 5.5444444 | 120.8161111 | 324 | 37899 |
| Sibabag | city | Province of Sulu | Philippines | 5.7033333 | 121.0175 | 0 | 4802 |
| Sibalan | city | Province of Sulu | Philippines | 5.5166667 | 120.8166667 | 177 | 40533 |
| Sibaud | city | Province of Sulu | Philippines | 5.4994444 | 120.7811111 | 0 | 11026 |
| Sibimbum | city | Province of Sulu | Philippines | 5.4833333 | 120.7333333 | 0 | 5930 |
| Sicumbang | city | Province of Sulu | Philippines | 6.2952778 | 120.5444444 | 3 | 8415 |
| Siet | city | Province of Sulu | Philippines | 5.9833333 | 121.2166667 | 259 | 36999 |
| Sigangan | city | Province of Sulu | Philippines | 5.5680556 | 120.7986111 | 3 | 37899 |
| Siit | city | Province of Sulu | Philippines | 5.9811111 | 121.2147222 | 259 | 36999 |
| Siit | city | Province of Sulu | Philippines | 6.011111 | 121.2344444 | 78 | 23221 |
| Sikilangal | city | Province of Sulu | Philippines | 6.0655556 | 121.7086111 | 0 | 2460 |
| Sikulay | city | Province of Sulu | Philippines | 6.0208333 | 121.4069444 | 0 | 12517 |
| Silanbun | city | Province of Sulu | Philippines | 6.2866667 | 120.5302778 | 3 | 6770 |
| Silancot | city | Province of Sulu | Philippines | 5.5 | 120.75 | 229 | 11026 |
| Silangkan | city | Province of Sulu | Philippines | 5.9772222 | 120.8897222 | 160 | 25808 |
| Silangkan | city | Province of Sulu | Philippines | 5.9730556 | 120.8902778 | 160 | 25808 |
| Silangkan Market | city | Province of Sulu | Philippines | 5.9772222 | 120.8897222 | 160 | 25808 |
| Silat | city | Province of Sulu | Philippines | 5.9397222 | 121.3388889 | 196 | 22381 |
| Silumpac | city | Province of Sulu | Philippines | 5.5075 | 120.8913889 | 0 | 31701 |
| Simbahan | city | Province of Sulu | Philippines | 6.3019444 | 120.5852778 | 0 | 6263 |
| Simbanan | city | Province of Sulu | Philippines | 6.3019444 | 120.5852778 | 0 | 6263 |
| Simigang | city | Province of Sulu | Philippines | 6.2775 | 120.5402778 | 3 | 6770 |
| Simundang | city | Province of Sulu | Philippines | 6.2936111 | 120.5430556 | 3 | 8415 |
| Sindang | city | Province of Sulu | Philippines | 6.0397222 | 120.9733333 | 275 | 97739 |
| Singkab | city | Province of Sulu | Philippines | 6.2808333 | 120.5730556 | 0 | 7118 |
| Singko | city | Province of Sulu | Philippines | 5.5105556 | 120.8602778 | 380 | 45146 |
| Siondo | city | Province of Sulu | Philippines | 5.5525 | 120.8305556 | 501 | 37899 |
| Sionogan | city | Province of Sulu | Philippines | 6.052778 | 120.9486111 | 3 | 38204 |
| Sipanding | city | Province of Sulu | Philippines | 5.5386111 | 120.8813889 | 144 | 31701 |
| Siparong | city | Province of Sulu | Philippines | 6.0302778 | 121.3241667 | 0 | 14207 |
| Sisagan | city | Province of Sulu | Philippines | 5.5197222 | 120.8205556 | 177 | 40533 |
| Sisanga | city | Province of Sulu | Philippines | 5.5197222 | 120.8205556 | 177 | 40533 |
| Sisangat | city | Province of Sulu | Philippines | 5.5197222 | 120.8205556 | 177 | 40533 |
| Sitacaya | city | Province of Sulu | Philippines | 6.3825 | 120.5697222 | 3 | 3141 |
| Siundo | city | Province of Sulu | Philippines | 5.5525 | 120.8305556 | 501 | 37899 |
| Siunugan | city | Province of Sulu | Philippines | 5.5166667 | 120.9 | 0 | 31701 |
| Siunugan | city | Province of Sulu | Philippines | 6 | 120.9013889 | 229 | 25808 |
| Siyunuyan | city | Province of Sulu | Philippines | 5.8972222 | 121.2408333 | 68 | 16434 |
| Si”it Lake | city | Province of Sulu | Philippines | 5.9833333 | 121.2166667 | 259 | 36999 |
| Soa Soa | city | Province of Sulu | Philippines | 5.8541667 | 121.0827778 | 3 | 8469 |
| Soang Buna | city | Province of Sulu | Philippines | 6.1502778 | 120.4491667 | 0 | 1692 |
| South Parol | city | Province of Sulu | Philippines | 6.0655556 | 121.7086111 | 0 | 2460 |
| Su | city | Province of Sulu | Philippines | 6.0166667 | 121.1833333 | 29 | 32611 |
| Suahauah | city | Province of Sulu | Philippines | 5.9497222 | 121.2730556 | 482 | 33600 |
| Suba-Suba | city | Province of Sulu | Philippines | 5.8336111 | 121.1427778 | 410 | 8603 |
| Subah | city | Province of Sulu | Philippines | 6.3233333 | 120.5738889 | 0 | 8415 |
| Subasaba | city | Province of Sulu | Philippines | 5.8336111 | 121.1427778 | 410 | 8603 |
| Subasiba | city | Province of Sulu | Philippines | 5.8336111 | 121.1427778 | 410 | 8603 |
| Subatandu | city | Province of Sulu | Philippines | 5.9405556 | 120.8777778 | 65 | 24405 |
| Sucuban | city | Province of Sulu | Philippines | 5.9152778 | 121.3455556 | 0 | 12699 |
| Sug | city | Province of Sulu | Philippines | 6.0522222 | 121.022222 | 446 | 79893 |
| Suha-Shuha | city | Province of Sulu | Philippines | 5.8541667 | 121.0827778 | 3 | 8469 |
| Sukuban | city | Province of Sulu | Philippines | 5.9152778 | 121.3455556 | 0 | 12699 |
| Sula | city | Province of Sulu | Philippines | 6.295 | 120.5591667 | 3 | 8415 |
| Sulu | city | Province of Sulu | Philippines | 6.0522222 | 121.022222 | 446 | 79893 |
| Suluk | city | Province of Sulu | Philippines | 6.0522222 | 121.022222 | 446 | 79893 |
| Sumambat | city | Province of Sulu | Philippines | 5.75 | 120.9166667 | 3 | 7311 |
| Sundo | city | Province of Sulu | Philippines | 5.5525 | 120.8305556 | 501 | 37899 |
| Sungab | city | Province of Sulu | Philippines | 5.8780556 | 121.2819444 | 3 | 20415 |
| Sungal | city | Province of Sulu | Philippines | 6.0833333 | 121.0833333 | 282 | 48348 |
| Sungkal | city | Province of Sulu | Philippines | 5.9952778 | 121.0655556 | 505 | 63550 |
| Sunugan | city | Province of Sulu | Philippines | 6 | 120.9013889 | 229 | 25808 |
| Suoc | city | Province of Sulu | Philippines | 6.0166667 | 121.1833333 | 29 | 32611 |
| Susuban | city | Province of Sulu | Philippines | 5.9152778 | 121.3455556 | 0 | 12699 |
| Sū | city | Province of Sulu | Philippines | 6.0166667 | 121.1833333 | 29 | 32611 |
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