| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Suan Hlang | city | Changwat Songkhla | Thailand | 6.9833333 | 100.4166667 | 232 | 46868 |
| Suan Kha Nun | city | Changwat Prachuap Khiri Khan | Thailand | 11.5166667 | 99.5666667 | 121 | 15196 |
| Suan Klai Kangwon | city | Changwat Prachuap Khiri Khan | Thailand | 12.5833333 | 99.95 | 9 | 8024 |
| Suan Kluai | city | Changwat Ratchaburi | Thailand | 13.8166667 | 99.9166667 | 49 | 67875 |
| Suan Lang | city | Changwat Songkhla | Thailand | 6.9833333 | 100.4166667 | 232 | 46868 |
| Suan Luang | city | Changwat Nakhon Sawan | Thailand | 15.9036111 | 99.7833333 | 144 | 18541 |
| Suan Lumphini | city | | Thailand | 13.7333333 | 100.55 | 6 | 1729429 |
| Suan Pan | city | Changwat Nakhon Pathom | Thailand | 13.75 | 99.95 | 39 | 46887 |
| Suan Phoeng | city | Changwat Ratchaburi | Thailand | 13.5166667 | 99.35 | 396 | 3673 |
| Suan Phung | city | Changwat Ratchaburi | Thailand | 13.5166667 | 99.35 | 396 | 3673 |
| Suan Pru | city | Changwat Songkhla | Thailand | 6.9833333 | 100.4 | 236 | 46569 |
| Suan Pung | city | Changwat Ratchaburi | Thailand | 13.5166667 | 99.35 | 396 | 3673 |
| Suan Son | city | Changwat Prachuap Khiri Khan | Thailand | 12.5166667 | 99.8833333 | 85 | 10799 |
| Suanklui | city | Changwat Lamphun | Thailand | 18.4666667 | 98.8166667 | 859 | 21524 |
| Sub | city | Changwat Loei | Thailand | 17.6333333 | 101.8333333 | 1066 | 13329 |
| Subhan Buri | city | Changwat Suphan Buri | Thailand | 14.4666667 | 100.1166667 | 32 | 40199 |
| Subharn | city | Changwat Suphan Buri | Thailand | 14.4666667 | 100.1166667 | 32 | 40199 |
| Suen Phra | city | Changwat Songkhla | Thailand | 6.9833333 | 100.4 | 236 | 46569 |
| Sukanthai | city | Changwat Sukhothai | Thailand | 17.063889 | 99.8233333 | 157 | 24206 |
| Sukauthai | city | Changwat Sukhothai | Thailand | 17.063889 | 99.8233333 | 157 | 24206 |
| Sukhirin | city | Changwat Narathiwat | Thailand | 5.9333333 | 101.7833333 | 830 | 8628 |
| Sukhobhai | city | Changwat Sukhothai | Thailand | 17.063889 | 99.8233333 | 157 | 24206 |
| Sukhodhai | city | Changwat Sukhothai | Thailand | 17.063889 | 99.8233333 | 157 | 24206 |
| Sukhothai | city | Changwat Sukhothai | Thailand | 17.063889 | 99.8233333 | 157 | 24206 |
| Sukhothat | city | Changwat Sukhothai | Thailand | 17.063889 | 99.8233333 | 157 | 24206 |
| Sukodhai | city | Changwat Sukhothai | Thailand | 17.063889 | 99.8233333 | 157 | 24206 |
| Sunak Hon | city | Changwat Samut Sakhon | Thailand | 13.5 | 100.0833333 | 9 | 65538 |
| Sung Kla | city | Changwat Songkhla | Thailand | 7.2 | 100.6 | 49 | 49985 |
| Sung Men | city | Changwat Phrae | Thailand | 18.05 | 100.1166667 | 531 | 30531 |
| Sung Noen | city | Changwat Nakhon Ratchasima | Thailand | 14.8988889 | 101.8138889 | 708 | 13526 |
| Sung Puai | city | Changwat Loei | Thailand | 17.7333333 | 101.8 | 1210 | 10894 |
| Sungai Kolok | city | Changwat Narathiwat | Thailand | 6.0266667 | 101.9677778 | 170 | 46196 |
| Sungai Padi | city | | Thailand | 6.0858333 | 101.8813889 | 206 | 24879 |
| Sungai Padi | city | Changwat Narathiwat | Thailand | 6.15 | 101.9 | 209 | 21570 |
| Sungei Kolok | city | Changwat Narathiwat | Thailand | 6.0266667 | 101.9677778 | 170 | 46196 |
| Sungei Padi | city | Changwat Narathiwat | Thailand | 6.15 | 101.9 | 209 | 21570 |
| Sungmen | city | Changwat Phrae | Thailand | 18.05 | 100.1166667 | 531 | 30531 |
| Supan | city | Changwat Suphan Buri | Thailand | 14.4666667 | 100.1166667 | 32 | 40199 |
| Supanburi | city | Changwat Suphan Buri | Thailand | 14.4666667 | 100.1166667 | 32 | 40199 |
| Supham Buri | city | Changwat Suphan Buri | Thailand | 14.4666667 | 100.1166667 | 32 | 40199 |
| Suphan Buri | city | Changwat Suphan Buri | Thailand | 14.4666667 | 100.1166667 | 32 | 40199 |
| Surapin | city | Changwat Surin | Thailand | 14.7 | 103.65 | 492 | 21625 |
| Suras | city | Changwat Surat Thani | Thailand | 9.1333333 | 99.3166667 | 6 | 54998 |
| Surashtradhani | city | Changwat Surat Thani | Thailand | 9.1333333 | 99.3166667 | 6 | 54998 |
| Surasntra Dhani | city | Changwat Surat Thani | Thailand | 9.1 | 99.2333333 | 6 | 25229 |
| Surastra Dhani | city | Changwat Surat Thani | Thailand | 9.1 | 99.2333333 | 6 | 25229 |
| Surat | city | Changwat Surat Thani | Thailand | 9.1 | 99.2333333 | 6 | 25229 |
| Surat Thani | city | Changwat Surat Thani | Thailand | 9.1 | 99.2333333 | 6 | 25229 |
| Surat Thani | city | Changwat Surat Thani | Thailand | 9.1333333 | 99.3166667 | 6 | 54998 |
| Surin | city | | Thailand | 14.8166667 | 103.4166667 | 554 | 35472 |
| Surin | city | Changwat Surin | Thailand | 14.8833333 | 103.4833333 | 524 | 35394 |
| Surindr | city | Changwat Surin | Thailand | 14.8833333 | 103.4833333 | 524 | 35394 |
| Surindra | city | Changwat Surin | Thailand | 14.8833333 | 103.4833333 | 524 | 35394 |
| Suso | city | Changwat Trang | Thailand | 7.25 | 99.6666667 | 36 | 8641 |
| Sut Tam Bon | city | Changwat Narathiwat | Thailand | 6.5833333 | 101.7 | 3 | 29065 |
| Suvanapum | city | Changwat Roi Et | Thailand | 15.6047222 | 103.8075 | 442 | 18620 |
| Suwannaphum | city | Changwat Roi Et | Thailand | 15.6047222 | 103.8075 | 442 | 18620 |
| Suwanphum | city | Changwat Roi Et | Thailand | 15.6047222 | 103.8075 | 442 | 18620 |
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