| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Subasingama | city | North Western Province | Sri Lanka | 7.8 | 80.4166667 | 498 | 43223 |
| Sudagala | city | Province of Sabaragamuwa | Sri Lanka | 6.7833333 | 80.4 | 1676 | 44209 |
| Suddagoda | city | Southern Province | Sri Lanka | 6.4166667 | 80.0166667 | 3 | 68760 |
| Suddapiddi | city | North Eastern Province | Sri Lanka | 9.0833333 | 80.0666667 | 0 | 5203 |
| Suddegoda | city | Southern Province | Sri Lanka | 6.4166667 | 80.0166667 | 3 | 68760 |
| Suduhakurugama | city | Central Province | Sri Lanka | 7.6 | 80.6 | 1886 | 31902 |
| Suduhakurukanda | city | Province of Sabaragamuwa | Sri Lanka | 6.7166667 | 80.6333333 | 2624 | 53494 |
| Sudupanawela | city | Province of Uva | Sri Lanka | 6.75 | 81.1 | 626 | 15162 |
| Sudupanawelagama | city | Province of Uva | Sri Lanka | 6.75 | 81.1 | 626 | 15162 |
| Suduventapulavu | city | North Eastern Province | Sri Lanka | 8.7166667 | 80.4333333 | 249 | 9176 |
| 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 |
| Sundapola | city | North Western Province | Sri Lanka | 7.5166667 | 80.3666667 | 659 | 45420 |
| Sundaragama | city | North Western Province | Sri Lanka | 7.7 | 80.2 | 265 | 45400 |
| Sundaranayaga | city | Southern Province | Sri Lanka | 5.9833333 | 80.4833333 | 13 | 71993 |
| Sunderagama | city | North Western Province | Sri Lanka | 7.7 | 80.2 | 265 | 45400 |
| Sungavil | city | North Central Province | Sri Lanka | 8.0666667 | 81.1 | 85 | 14288 |
| Sungawila | city | North Central Province | Sri Lanka | 8.0666667 | 81.1 | 85 | 14288 |
| Suniiagama | city | North Western Province | Sri Lanka | 7.35 | 80.3333333 | 495 | 52278 |
| Sunkankerny | city | North Eastern Province | Sri Lanka | 7.8833333 | 81.5333333 | 13 | 22501 |
| Sunkankuli | city | North Eastern Province | Sri Lanka | 8.4666667 | 81.3 | 19 | 9379 |
| Sunkankuli | city | North Eastern Province | Sri Lanka | 8.2833333 | 81.35 | 22 | 18189 |
| Surakkulama | city | North Western Province | Sri Lanka | 7.8 | 79.95 | 160 | 30509 |
| Suravattai | city | North Eastern Province | Sri Lanka | 9.75 | 80.0333333 | 9 | 67869 |
| Surigoda | city | Southern Province | Sri Lanka | 6.4166667 | 80 | 3 | 68760 |
| Suripaluwa | city | Western Province | Sri Lanka | 7.0166667 | 79.9666667 | 68 | 169593 |
| Suriwayal | city | North Western Province | Sri Lanka | 7.9166667 | 79.8 | 13 | 24486 |
| Suriya-aar | city | Province of Uva | Sri Lanka | 6.4166667 | 81.0333333 | 265 | 11624 |
| Suriya-ara | city | Province of Uva | Sri Lanka | 6.4166667 | 81.0333333 | 265 | 11624 |
| Suriyadamana | city | North Central Province | Sri Lanka | 8.4333333 | 80.1833333 | 223 | 15484 |
| Suriyagoda | city | North Western Province | Sri Lanka | 7.5833333 | 80.2333333 | 433 | 45414 |
| Suriyagoda | city | Central Province | Sri Lanka | 7.2833333 | 80.5666667 | 2004 | 75528 |
| Suriyakanda | city | Province of Sabaragamuwa | Sri Lanka | 6.4333333 | 80.6333333 | 2611 | 45632 |
| Suriyapokuna | city | Southern Province | Sri Lanka | 6.2166667 | 80.8333333 | 354 | 33339 |
| Suriyatevarkaddaikkadu | city | North Eastern Province | Sri Lanka | 8.8666667 | 79.9833333 | 16 | 9574 |
| Suriyawewa | city | Southern Province | Sri Lanka | 6.3166667 | 81 | 229 | 27804 |
| Surukkulama | city | North Western Province | Sri Lanka | 7.8 | 79.95 | 160 | 30509 |
| Surukkulama | city | North Central Province | Sri Lanka | 8.3333333 | 80.5666667 | 351 | 15489 |
| Suruvil | city | North Eastern Province | Sri Lanka | 9.65 | 79.8666667 | 19 | 24507 |
| Suruwila | city | North Western Province | Sri Lanka | 7.7166667 | 79.8 | 13 | 20063 |
| Suryanpiddi | city | North Eastern Province | Sri Lanka | 9.7333333 | 79.85 | 0 | 18004 |
| Suthumalai | city | North Eastern Province | Sri Lanka | 9.7166667 | 80 | 19 | 67869 |
| Suwarapola | city | Western Province | Sri Lanka | 6.8 | 79.9 | 29 | 321713 |
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