| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saint Pedro | city | Northern | Sri Lanka | 9.05 | 79.87 | 19 | 4091 |
| Samarapaku | city | Northern | Sri Lanka | 9.80 | 80.18 | 3 | 57786 |
| Samarapakutevan | city | Northern | Sri Lanka | 9.80 | 80.18 | 3 | 57786 |
| Sampathurai | city | Northern | Sri Lanka | 9.05 | 79.87 | 19 | 4091 |
| Sampaturai | city | Northern | Sri Lanka | 9.05 | 79.87 | 19 | 4091 |
| Sanasiriparanthn Parantan | city | Northern | Sri Lanka | 9.00 | 80.56 | 216 | 8046 |
| Sandampokkaddi | city | Northern | Sri Lanka | 9.67 | 80.23 | 3 | 53161 |
| Sandilipay | city | Northern | Sri Lanka | 9.75 | 79.99 | 16 | 64244 |
| Sandilippai | city | Northern | Sri Lanka | 9.75 | 79.99 | 16 | 64244 |
| Sangarathai | city | Northern | Sri Lanka | 9.73 | 79.96 | 19 | 49832 |
| Sankattharvayal | city | Northern | Sri Lanka | 9.55 | 80.41 | 3 | 16791 |
| Sankuveli | city | Northern | Sri Lanka | 9.74 | 80.01 | 13 | 64660 |
| Santhasolai | city | Northern | Sri Lanka | 8.79 | 80.49 | 298 | 21634 |
| Sarasalai | city | Northern | Sri Lanka | 9.68 | 80.17 | 3 | 63143 |
| Sarasalai South | city | Northern | Sri Lanka | 9.69 | 80.16 | 3 | 64390 |
| Saravanal | city | Northern | Sri Lanka | 9.66 | 79.89 | 19 | 29377 |
| Sastirikulankulam | city | Northern | Sri Lanka | 8.81 | 80.45 | 269 | 15418 |
| Senkanthulam | city | Northern | Sri Lanka | 9.81 | 80.00 | 32 | 30338 |
| Senkara-attimoddai | city | Northern | Sri Lanka | 8.91 | 80.56 | 285 | 8039 |
| Senthankulam | city | Northern | Sri Lanka | 9.81 | 80.00 | 32 | 30338 |
| Silavatturai | city | Northern | Sri Lanka | 8.75 | 79.95 | 13 | 5084 |
| Silavaturai | city | Northern | Sri Lanka | 8.75 | 79.95 | 13 | 5084 |
| Sillalai | city | Northern | Sri Lanka | 9.78 | 79.95 | 19 | 40635 |
| Silvatturai | city | Northern | Sri Lanka | 8.75 | 79.95 | 13 | 5084 |
| Sinna Aiyamperumal | city | Northern | Sri Lanka | 9.12 | 80.33 | 104 | 6109 |
| Sinna Alyamperumal | city | Northern | Sri Lanka | 9.12 | 80.33 | 104 | 6109 |
| Sinna Arasankulam | city | Northern | Sri Lanka | 8.85 | 80.37 | 252 | 8793 |
| Sinna Attimoddai | city | Northern | Sri Lanka | 8.80 | 80.03 | 45 | 9536 |
| Sinna Attimoddai | city | Northern | Sri Lanka | 8.80 | 80.05 | 52 | 9536 |
| Sinna-adampan | city | Northern | Sri Lanka | 9.05 | 80.56 | 242 | 7941 |
| Sinnadampan | city | Northern | Sri Lanka | 9.05 | 80.56 | 242 | 7941 |
| Sinnaittimadu | city | Northern | Sri Lanka | 9.16 | 80.68 | 98 | 6109 |
| Sinnakkomarasankulam | city | Northern | Sri Lanka | 8.70 | 80.52 | 308 | 13543 |
| Sinnakkulam | city | Northern | Sri Lanka | 8.87 | 80.51 | 298 | 8074 |
| Sinnakoramoddai | city | Northern | Sri Lanka | 8.97 | 80.64 | 232 | 8046 |
| Sinnakulam | city | Northern | Sri Lanka | 8.67 | 80.51 | 275 | 10431 |
| Sinnakulam | city | Northern | Sri Lanka | 8.71 | 80.43 | 226 | 9207 |
| Sinnakulama | city | Northern | Sri Lanka | 8.67 | 80.51 | 275 | 10431 |
| Sinnakunchukkulam | city | Northern | Sri Lanka | 8.74 | 80.15 | 121 | 9393 |
| Sinnamailankulam | city | Northern | Sri Lanka | 8.71 | 80.53 | 347 | 14579 |
| Sinnanochchikulam | city | Northern | Sri Lanka | 8.76 | 79.95 | 19 | 5512 |
| Sinnapoovarasankulam | city | Northern | Sri Lanka | 8.99 | 80.59 | 259 | 8046 |
| Sinnappoovarasankulam | city | Northern | Sri Lanka | 8.99 | 80.59 | 259 | 8046 |
| Sinnappuliyankulam | city | Northern | Sri Lanka | 8.66 | 80.37 | 226 | 8344 |
| Sinnapputukkulam | city | Northern | Sri Lanka | 8.75 | 80.52 | 311 | 23276 |
| Sinnapullaichchipotkeni | city | Northern | Sri Lanka | 8.77 | 79.99 | 16 | 9119 |
| Sinnaththampanai | city | Northern | Sri Lanka | 8.65 | 80.38 | 262 | 8538 |
| Sinnaththanpanai | city | Northern | Sri Lanka | 8.65 | 80.38 | 262 | 8538 |
| Sinnativu | city | Northern | Sri Lanka | 9.27 | 80.00 | 3 | 611 |
| Siruvilan | city | Northern | Sri Lanka | 9.79 | 80.00 | 36 | 47382 |
| Siruvilankuli | city | Northern | Sri Lanka | 8.98 | 80.02 | 6 | 6863 |
| Sirvilankuli | city | Northern | Sri Lanka | 8.98 | 80.02 | 6 | 6863 |
| Sittankerni | city | Northern | Sri Lanka | 9.75 | 79.97 | 29 | 59122 |
| Sivapuram | city | Northern | Sri Lanka | 8.75 | 80.44 | 311 | 14081 |
| Smna Iruppiddy | city | Northern | Sri Lanka | 9.59 | 79.82 | 32 | 16282 |
| Sonakasalampaikkulam | city | Northern | Sri Lanka | 8.76 | 80.40 | 246 | 9317 |
| Sooriyakaddaikaadu | city | Northern | Sri Lanka | 8.87 | 79.98 | 16 | 9197 |
| Soranpattu | city | Northern | Sri Lanka | 9.58 | 80.37 | 3 | 11463 |
| Sorempattu | city | Northern | Sri Lanka | 9.58 | 80.37 | 3 | 11463 |
| Sothithelvu | city | Northern | Sri Lanka | 9.58 | 79.84 | 39 | 14614 |
| South Bar | city | Northern | Sri Lanka | 8.97 | 79.88 | 3 | 5451 |
| Suddapiddi | city | Northern | Sri Lanka | 9.08 | 80.07 | 0 | 4989 |
| Suduventapulavu | city | Northern | Sri Lanka | 8.72 | 80.44 | 249 | 11356 |
| Suppandaiyapuliyankulam | city | Northern | Sri Lanka | 8.80 | 80.43 | 298 | 14119 |
| Suravattai | city | Northern | Sri Lanka | 9.75 | 80.03 | 9 | 64661 |
| Suriyatevarkaddaikkadu | city | Northern | Sri Lanka | 8.87 | 79.98 | 16 | 9197 |
| Suruvil | city | Northern | Sri Lanka | 9.65 | 79.87 | 19 | 28818 |
| Suryanpiddi | city | Northern | Sri Lanka | 9.74 | 79.86 | 39 | 18687 |
| Suthumalai | city | Northern | Sri Lanka | 9.72 | 80.01 | 9 | 61090 |