| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Su-ngai Kolok | city | Narathiwat | Thailand | 6.03 | 101.97 | 177 | 63538 |
| Su-ngai Pa Di | city | Narathiwat | Thailand | 6.09 | 101.88 | 206 | 18792 |
| Su-ngai Padi | city | Narathiwat | Thailand | 6.09 | 101.88 | 206 | 18792 |
| Suan Hlang | city | Songkhla | Thailand | 6.99 | 100.41 | 236 | 73682 |
| Suan Kha Nun | city | Prachuap Khiri Khan | Thailand | 11.51 | 99.57 | 121 | 12369 |
| Suan Klai Kangwon | city | Prachuap Khiri Khan | Thailand | 12.58 | 99.95 | 9 | 18481 |
| Suan Kluai | city | Ratchaburi | Thailand | 13.82 | 99.92 | 49 | 108843 |
| Suan Lang | city | Songkhla | Thailand | 6.99 | 100.41 | 236 | 73682 |
| Suan Luang | city | Nakhon Sawan | Thailand | 15.90 | 99.78 | 144 | 10870 |
| Suan Luang | city | Krung Thep Maha Nakhon | Thailand | 13.73 | 100.65 | 6 | 597511 |
| Suan Pan | city | Nakhon Pathom | Thailand | 13.75 | 99.94 | 39 | 88345 |
| Suan Phoeng | city | Ratchaburi | Thailand | 13.54 | 99.34 | 364 | 3576 |
| Suan Phueng | city | Ratchaburi | Thailand | 13.54 | 99.34 | 364 | 3576 |
| Suan Phung | city | Ratchaburi | Thailand | 13.54 | 99.34 | 364 | 3576 |
| Suan Pru | city | Songkhla | Thailand | 7.00 | 100.39 | 242 | 58136 |
| Suan Pung | city | Ratchaburi | Thailand | 13.54 | 99.34 | 364 | 3576 |
| Suan Son | city | Prachuap Khiri Khan | Thailand | 12.52 | 99.88 | 85 | 11573 |
| Suanklui | city | Lamphun | Thailand | 18.47 | 98.82 | 859 | 16520 |
| Sub | city | Loei | Thailand | 17.63 | 101.83 | 1066 | 8646 |
| Subhan Buri | city | Suphan Buri | Thailand | 14.47 | 100.12 | 19 | 71489 |
| Subharn | city | Suphan Buri | Thailand | 14.47 | 100.12 | 19 | 71489 |
| Suen Phra | city | Songkhla | Thailand | 7.00 | 100.39 | 242 | 58136 |
| Suk Samran | city | Ranong | Thailand | 9.34 | 98.43 | 242 | 2984 |
| Sukanthai | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sukauthai | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sukhirin | city | Narathiwat | Thailand | 5.94 | 101.77 | 830 | 7523 |
| Sukhobhai | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sukhodhai | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sukhothai | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sukhothai Thani | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sukhothaj | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sukhothat | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sukodhai | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sukotajus | city | Sukhothai | Thailand | 17.01 | 99.82 | 173 | 35828 |
| Sun Wichai | city | Lop Buri | Thailand | 15.16 | 101.39 | 367 | 8755 |
| Sun Wichai Lam Phaya Klang | city | Lop Buri | Thailand | 15.16 | 101.39 | 367 | 8755 |
| Sunak Hon | city | Samut Sakhon | Thailand | 13.48 | 100.07 | 9 | 17014 |
| Sung Kla | city | Songkhla | Thailand | 7.20 | 100.60 | 118 | 83299 |
| Sung Men | city | Phrae | Thailand | 18.05 | 100.11 | 830 | 51225 |
| Sung Noen | city | Nakhon Ratchasima | Thailand | 14.90 | 101.82 | 830 | 21716 |
| Sung Puai | city | Loei | Thailand | 17.73 | 101.80 | 1210 | 8784 |
| Sungai Kolok | city | Narathiwat | Thailand | 6.03 | 101.97 | 177 | 63538 |
| Sungai Padi | city | Narathiwat | Thailand | 6.07 | 101.87 | 190 | 18786 |
| Sungai Padi | city | Narathiwat | Thailand | 6.09 | 101.88 | 206 | 18792 |
| Sungei Kolok | city | Narathiwat | Thailand | 6.03 | 101.97 | 177 | 63538 |
| Sungei Padi | city | Narathiwat | Thailand | 6.07 | 101.87 | 190 | 18786 |
| Sungmen | city | Phrae | Thailand | 18.05 | 100.11 | 830 | 51225 |
| Supan | city | Suphan Buri | Thailand | 14.47 | 100.12 | 19 | 71489 |
| Supanburi | city | Suphan Buri | Thailand | 14.47 | 100.12 | 19 | 71489 |
| Supham Buri | city | Suphan Buri | Thailand | 14.47 | 100.12 | 19 | 71489 |
| Suphan Buri | city | Suphan Buri | Thailand | 14.47 | 100.12 | 19 | 71489 |
| Surapin | city | Surin | Thailand | 14.72 | 103.67 | 830 | 16641 |
| Suras | city | Surat Thani | Thailand | 9.14 | 99.33 | 6 | 90964 |
| Surashtradhani | city | Surat Thani | Thailand | 9.14 | 99.33 | 6 | 90964 |
| Surasntra Dhani | city | Surat Thani | Thailand | 9.10 | 99.23 | 6 | 37804 |
| Surastra Dhani | city | Surat Thani | Thailand | 9.10 | 99.23 | 6 | 37804 |
| Surat | city | Surat Thani | Thailand | 9.10 | 99.23 | 6 | 37804 |
| Surat Thani | city | Surat Thani | Thailand | 9.14 | 99.33 | 6 | 90964 |
| Surat Thani | city | Surat Thani | Thailand | 9.10 | 99.23 | 6 | 37804 |
| Surathanis | city | Surat Thani | Thailand | 9.14 | 99.33 | 6 | 90964 |
| Surin | city | Surin | Thailand | 14.88 | 103.49 | 830 | 45921 |
| Surindr | city | Surin | Thailand | 14.88 | 103.49 | 830 | 45921 |
| Surindra | city | Surin | Thailand | 14.88 | 103.49 | 830 | 45921 |
| Sut Tam Bon | city | Pattani | Thailand | 6.58 | 101.70 | 3 | 19803 |
| Suvanapum | city | Roi Et | Thailand | 15.60 | 103.80 | 830 | 20727 |
| Suwanna Khuha | city | Nong Bua Lamphu | Thailand | 17.56 | 102.28 | 830 | 13403 |
| Suwannakhuha | city | Nong Bua Lamphu | Thailand | 17.56 | 102.28 | 830 | 13403 |
| Suwannaphum | city | Roi Et | Thailand | 15.60 | 103.80 | 830 | 20727 |
| Suwanphum | city | Roi Et | Thailand | 15.60 | 103.80 | 830 | 20727 |