| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Sahabandukokmaduwa | city | Southern Province | Sri Lanka | 6.0166667 | 80.45 | 252 | 88097 |
| Samodagama | city | Southern Province | Sri Lanka | 6.1333333 | 81.1166667 | 6 | 23439 |
| Sapugahayaya | city | Southern Province | Sri Lanka | 6.2666667 | 80.75 | 544 | 36712 |
| Sapugoda | city | Southern Province | Sri Lanka | 6.0833333 | 80.55 | 177 | 89747 |
| Sapugodawela | city | Southern Province | Sri Lanka | 6.0666667 | 80.6833333 | 482 | 61958 |
| Saputantirikanda | city | Southern Province | Sri Lanka | 6.2333333 | 80.6333333 | 1112 | 58353 |
| Seenimodera | city | Southern Province | Sri Lanka | 6 | 80.75 | 3 | 11125 |
| Sigiriya | city | Southern Province | Sri Lanka | 7.95 | 80.75 | 1017 | 27075 |
| Silvetgama | city | Southern Province | Sri Lanka | 7.7833333 | 80.6 | 830 | 30301 |
| Silwatgama | city | Southern Province | Sri Lanka | 7.7833333 | 80.6 | 830 | 30301 |
| Sinigama | city | Southern Province | Sri Lanka | 6.1666667 | 80.0833333 | 0 | 38555 |
| Sinimodara | city | Southern Province | Sri Lanka | 6 | 80.75 | 3 | 11125 |
| Sinimodera | city | Southern Province | Sri Lanka | 6 | 80.75 | 3 | 11125 |
| Sitinamaluwa | city | Southern Province | Sri Lanka | 6.05 | 80.75 | 193 | 28763 |
| Sittakala | city | Southern Province | Sri Lanka | 6.1166667 | 81.0666667 | 3 | 14375 |
| Sittarawila | city | Southern Province | Sri Lanka | 6.2833333 | 81.2833333 | 42 | 30860 |
| Sittrakala | city | Southern Province | Sri Lanka | 6.1166667 | 81.0666667 | 3 | 14375 |
| Siwelgama | city | Southern Province | Sri Lanka | 6.05 | 80.55 | 95 | 89747 |
| Siyambalagasgoda | city | Southern Province | Sri Lanka | 6.0666667 | 80.7666667 | 167 | 28763 |
| Siyambalagaswela | city | Southern Province | Sri Lanka | 6.1666667 | 81.0166667 | 9 | 30864 |
| Siyambalagaswewa | city | Southern Province | Sri Lanka | 6.1833333 | 80.8666667 | 173 | 31160 |
| Siyambalagaswila | city | Southern Province | Sri Lanka | 6.1666667 | 81.0166667 | 9 | 30864 |
| Siyambalagoda | city | Southern Province | Sri Lanka | 6.0666667 | 80.7666667 | 167 | 28763 |
| Siyambalagoda | city | Southern Province | Sri Lanka | 6.2166667 | 80.9333333 | 91 | 34202 |
| Siyambalagoda | city | Southern Province | Sri Lanka | 6.2288889 | 80.9508333 | 95 | 34202 |
| Siyambalagoda East | city | Southern Province | Sri Lanka | 6.2 | 80.5166667 | 492 | 89724 |
| Siyambalagoda West | city | Southern Province | Sri Lanka | 6.2166667 | 80.5 | 456 | 89740 |
| Siyambalakote | city | Southern Province | Sri Lanka | 6.2288889 | 80.9508333 | 95 | 34202 |
| Siyambalamure | city | Southern Province | Sri Lanka | 6.2833333 | 80.7 | 416 | 47819 |
| Siyarapitiya | city | Southern Province | Sri Lanka | 6.2833333 | 80.6833333 | 610 | 47819 |
| Sooriyagama | city | Southern Province | Sri Lanka | 6.3833333 | 80.0333333 | 29 | 59355 |
| Sooriyagoda | city | Southern Province | Sri Lanka | 6.4166667 | 80 | 3 | 68760 |
| Suddagoda | city | Southern Province | Sri Lanka | 6.4166667 | 80.0166667 | 3 | 68760 |
| Suddegoda | city | Southern Province | Sri Lanka | 6.4166667 | 80.0166667 | 3 | 68760 |
| Suduwelipota | city | Southern Province | Sri Lanka | 6.15 | 80.1166667 | 45 | 51574 |
| Sultanagoda | city | Southern Province | Sri Lanka | 5.9666667 | 80.5 | 55 | 76704 |
| Sulutanagoda | city | Southern Province | Sri Lanka | 5.9666667 | 80.5 | 55 | 76704 |
| Sundaranayaga | city | Southern Province | Sri Lanka | 5.9833333 | 80.4833333 | 13 | 71993 |
| Surigoda | city | Southern Province | Sri Lanka | 6.4166667 | 80 | 3 | 68760 |
| Suriyapokuna | city | Southern Province | Sri Lanka | 6.2166667 | 80.8333333 | 354 | 33339 |
| Suriyawewa | city | Southern Province | Sri Lanka | 6.3166667 | 81 | 229 | 27804 |
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