| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Thabbomulla | city | North Western Province | Sri Lanka | 7.45 | 80.00 | 108 | 54288 |
| Thachchankulam | city | North Eastern Province | Sri Lanka | 8.75 | 80.50 | 291 | 25188 |
| Thaddankulam | city | North Eastern Province | Sri Lanka | 8.70 | 80.33 | 154 | 8046 |
| Thaddankulam | city | North Eastern Province | Sri Lanka | 9.08 | 80.37 | 114 | 6219 |
| Thaddumunai | city | North Eastern Province | Sri Lanka | 8.12 | 81.42 | 3 | 14018 |
| Thadduvamkoddy | city | North Eastern Province | Sri Lanka | 9.50 | 80.42 | 13 | 8371 |
| Thadduvankoddy | city | North Eastern Province | Sri Lanka | 9.50 | 80.42 | 13 | 8371 |
| Thailagama | city | North Western Province | Sri Lanka | 7.85 | 80.07 | 229 | 15518 |
| Thaiyiddi | city | North Eastern Province | Sri Lanka | 9.80 | 80.05 | 3 | 39118 |
| Thala Mawathagama | city | North Western Province | Sri Lanka | 7.75 | 80.05 | 157 | 25154 |
| Thalagahawela | city | North Western Province | Sri Lanka | 7.52 | 79.90 | 52 | 55582 |
| Thalagalla | city | North Western Province | Sri Lanka | 7.77 | 80.32 | 337 | 25288 |
| Thalagaspitya | city | North Western Province | Sri Lanka | 7.40 | 80.28 | 472 | 62953 |
| Thalakolawewa | city | North Central Province | Sri Lanka | 7.93 | 80.48 | 554 | 19883 |
| Thalakolawewa | city | North Western Province | Sri Lanka | 7.80 | 80.43 | 475 | 21422 |
| Thalammehera | city | North Western Province | Sri Lanka | 7.32 | 80.05 | 131 | 58139 |
| Thalangedara | city | North Western Province | Sri Lanka | 7.73 | 80.05 | 144 | 27357 |
| Thalangpola Ihala | city | North Western Province | Sri Lanka | 7.68 | 79.98 | 82 | 32210 |
| Thalangpola Pahala | city | North Western Province | Sri Lanka | 7.68 | 79.97 | 62 | 32147 |
| Thalankudah | city | North Eastern Province | Sri Lanka | 7.65 | 81.75 | 3 | 8583 |
| Thalapathwewa | city | North Western Province | Sri Lanka | 7.78 | 80.38 | 439 | 22422 |
| Thalavai | city | North Eastern Province | Sri Lanka | 7.80 | 81.62 | 13 | 26228 |
| Thalawa | city | North Western Province | Sri Lanka | 7.94 | 80.44 | 469 | 22046 |
| Thalawai | city | North Eastern Province | Sri Lanka | 7.80 | 81.62 | 13 | 26228 |
| Thalawatta | city | Province of Sabaragamuwa | Sri Lanka | 7.27 | 80.25 | 492 | 66075 |
| Thalawattegedera | city | North Western Province | Sri Lanka | 7.72 | 80.33 | 337 | 26511 |
| Thalayadimadu | city | North Eastern Province | Sri Lanka | 7.53 | 81.60 | 669 | 20569 |
| Thaldewa | city | Province of Sabaragamuwa | Sri Lanka | 7.33 | 80.38 | 396 | 72937 |
| Thalgahapitiya | city | North Western Province | Sri Lanka | 7.60 | 79.92 | 59 | 46862 |
| Thalgahayaya | city | Province of Sabaragamuwa | Sri Lanka | 7.28 | 80.35 | 889 | 84541 |
| Thalgama | city | Province of Sabaragamuwa | Sri Lanka | 7.27 | 80.27 | 498 | 67499 |
| Thalgasduwa | city | North Western Province | Sri Lanka | 7.85 | 80.05 | 223 | 15849 |
| Thalgasmota | city | Western Province | Sri Lanka | 7.17 | 80.07 | 255 | 119721 |
| Thalgaswewa | city | North Western Province | Sri Lanka | 7.83 | 80.15 | 265 | 18381 |
| Thalkolawewa | city | North Western Province | Sri Lanka | 7.70 | 80.22 | 278 | 28387 |
| Thallangomuwa | city | North Western Province | Sri Lanka | 7.68 | 80.48 | 511 | 38424 |
| Thalwattegedera | city | North Western Province | Sri Lanka | 7.38 | 80.30 | 488 | 77836 |
| Thamaraikerni | city | North Eastern Province | Sri Lanka | 7.48 | 81.72 | 42 | 19989 |
| Thamarakerni | city | North Eastern Province | Sri Lanka | 7.48 | 81.72 | 42 | 19989 |
| Thamarakkulama | city | North Western Province | Sri Lanka | 7.73 | 79.92 | 65 | 25048 |
| Thamarakulama | city | North Central Province | Sri Lanka | 8.25 | 80.65 | 436 | 16513 |
| Thamaravillu | city | North Eastern Province | Sri Lanka | 8.47 | 81.20 | 16 | 12747 |
| Thamba Rombuwa | city | North Western Province | Sri Lanka | 7.85 | 80.10 | 246 | 14858 |
| Thambala | city | North Central Province | Sri Lanka | 8.02 | 81.08 | 95 | 24421 |
| Thambarawa | city | North Western Province | Sri Lanka | 7.68 | 80.07 | 167 | 34628 |
| Thambarawa | city | North Western Province | Sri Lanka | 7.67 | 80.27 | 341 | 28268 |
| Thambarayagama | city | North Western Province | Sri Lanka | 7.87 | 80.30 | 426 | 22202 |
| Thambera | city | North Western Province | Sri Lanka | 7.85 | 80.27 | 390 | 22088 |
| Thambewila | city | Province of Sabaragamuwa | Sri Lanka | 7.30 | 80.27 | 403 | 66285 |
| Thambiluvil | city | North Eastern Province | Sri Lanka | 7.13 | 81.85 | 16 | 5688 |
| Thambugala | city | Province of Sabaragamuwa | Sri Lanka | 7.18 | 80.17 | 498 | 84195 |
| Thambuwa | city | North Western Province | Sri Lanka | 7.72 | 80.43 | 600 | 25987 |
| Thammannawa | city | North Western Province | Sri Lanka | 7.88 | 80.30 | 393 | 21506 |
| Thammennagama | city | North Western Province | Sri Lanka | 7.77 | 80.37 | 370 | 22840 |
| Thammennawa | city | North Western Province | Sri Lanka | 7.87 | 80.20 | 314 | 17275 |
| Thammita | city | North Western Province | Sri Lanka | 7.43 | 80.30 | 501 | 84707 |
| Thammitagama | city | North Western Province | Sri Lanka | 7.83 | 80.22 | 328 | 21571 |
| Thampaddai | city | North Eastern Province | Sri Lanka | 7.17 | 81.85 | 16 | 12827 |
| Thampalai | city | North Eastern Province | Sri Lanka | 9.78 | 80.12 | 3 | 56574 |
| Thampalawattai | city | North Eastern Province | Sri Lanka | 7.47 | 81.75 | 3 | 20279 |
| Thampalawela | city | Province of Uva | Sri Lanka | 7.02 | 81.35 | 902 | 8187 |
| Thanakkarukurachchi | city | North Eastern Province | Sri Lanka | 9.80 | 80.15 | 3 | 50691 |
| Thanakolawatta | city | Province of Sabaragamuwa | Sri Lanka | 7.00 | 80.33 | 518 | 42415 |
| Thanankilappu | city | North Eastern Province | Sri Lanka | 9.63 | 80.15 | 3 | 41889 |
| Thankodai | city | North Eastern Province | Sri Lanka | 9.75 | 79.87 | 39 | 16359 |
| Thannamunai | city | North Eastern Province | Sri Lanka | 7.75 | 81.63 | 29 | 31739 |
| Thannipavilan Kudiyiruppu | city | North Eastern Province | Sri Lanka | 9.05 | 79.85 | 22 | 4715 |
| Thantirigama | city | North Western Province | Sri Lanka | 7.87 | 80.20 | 314 | 17275 |
| Tharakundu | city | North Eastern Province | Sri Lanka | 9.00 | 79.87 | 13 | 6817 |
| Tharana Ihalagama | city | North Western Province | Sri Lanka | 7.58 | 80.00 | 118 | 40126 |
| Tharana Pahalagama | city | North Western Province | Sri Lanka | 7.57 | 80.00 | 114 | 41014 |
| Tharanagolla | city | North Western Province | Sri Lanka | 7.73 | 80.07 | 154 | 28482 |
| Tharanagolla | city | North Western Province | Sri Lanka | 7.72 | 80.37 | 583 | 24659 |
| Tharanakale | city | North Western Province | Sri Lanka | 7.80 | 79.87 | 59 | 19300 |
| Tharaperiya | city | Southern Province | Sri Lanka | 6.08 | 80.70 | 469 | 65818 |
| Tharmakundu | city | North Eastern Province | Sri Lanka | 9.58 | 79.82 | 36 | 14931 |
| Thatchchanthoppu | city | North Eastern Province | Sri Lanka | 9.65 | 80.10 | 3 | 46989 |
| Thattantotam | city | North Eastern Province | Sri Lanka | 9.55 | 80.43 | 3 | 19466 |
| Thattewa | city | North Western Province | Sri Lanka | 7.87 | 79.98 | 183 | 16122 |
| Thawalla | city | North Western Province | Sri Lanka | 7.50 | 79.98 | 75 | 50957 |
| Thawalla | city | North Western Province | Sri Lanka | 7.50 | 79.95 | 65 | 50727 |
| Thayilan Kudiyiruppu | city | North Eastern Province | Sri Lanka | 9.07 | 79.85 | 16 | 4175 |
| Thekampuddi | city | North Eastern Province | Sri Lanka | 9.18 | 80.10 | 0 | 5250 |
| Thekkuluthu | city | North Eastern Province | Sri Lanka | 8.57 | 81.18 | 36 | 50371 |
| Thelambugammana | city | North Western Province | Sri Lanka | 7.42 | 80.07 | 262 | 53919 |
| Thelembiyawa | city | North Western Province | Sri Lanka | 7.72 | 80.37 | 583 | 24659 |
| Thelhawadigama | city | Province of Uva | Sri Lanka | 6.93 | 80.85 | 4261 | 65138 |
| Thelniydagama | city | North Western Province | Sri Lanka | 7.87 | 80.33 | 439 | 22205 |
| Thembilideniya | city | Southern Province | Sri Lanka | 7.60 | 80.62 | 1945 | 61813 |
| Thenkeliya | city | Province of Uva | Sri Lanka | 6.38 | 80.85 | 226 | 32012 |
| Thenketiya | city | Province of Uva | Sri Lanka | 6.38 | 80.85 | 226 | 32012 |
| Thennakoogama | city | North Western Province | Sri Lanka | 7.88 | 80.40 | 646 | 21185 |
| Thennakoongama | city | North Western Province | Sri Lanka | 7.72 | 80.18 | 246 | 29622 |
| Therunansegama | city | Province of Sabaragamuwa | Sri Lanka | 6.28 | 80.92 | 154 | 32640 |
| Therunnansegama | city | Province of Sabaragamuwa | Sri Lanka | 6.28 | 80.92 | 154 | 32640 |
| Thethandaluwa | city | North Western Province | Sri Lanka | 7.53 | 79.92 | 55 | 51134 |
| Thetpankulama | city | North Central Province | Sri Lanka | 8.38 | 80.45 | 311 | 34848 |
| Thettapiddy | city | North Eastern Province | Sri Lanka | 9.18 | 80.10 | 0 | 5250 |
| Thewanpuddi | city | North Eastern Province | Sri Lanka | 9.18 | 80.10 | 0 | 5250 |
| Thiaveddavan | city | North Eastern Province | Sri Lanka | 7.92 | 81.50 | 16 | 22588 |
| Thibbatuwewa | city | North Central Province | Sri Lanka | 8.02 | 80.60 | 439 | 18310 |
| Thibbotumulla | city | Southern Province | Sri Lanka | 7.45 | 80.63 | 1692 | 109631 |
| Thihagoda | city | Southern Province | Sri Lanka | 6.02 | 80.57 | 45 | 119019 |
| Thihamulla | city | North Western Province | Sri Lanka | 7.42 | 80.25 | 820 | 56340 |
| Thiharigedara | city | North Western Province | Sri Lanka | 7.82 | 80.17 | 262 | 20150 |
| Thikkam | city | North Eastern Province | Sri Lanka | 9.83 | 80.20 | 3 | 46517 |
| Thikkodai | city | North Eastern Province | Sri Lanka | 7.53 | 81.68 | 236 | 22527 |
| Thikkoddaimadu | city | North Eastern Province | Sri Lanka | 7.53 | 81.68 | 236 | 22527 |
| Thikkoddaimunmari | city | North Eastern Province | Sri Lanka | 7.52 | 81.68 | 232 | 22304 |
| Thimbilla | city | North Western Province | Sri Lanka | 7.58 | 79.80 | 16 | 43036 |
| Thimbirigaspitiya | city | Province of Uva | Sri Lanka | 7.03 | 81.05 | 2007 | 62123 |
| Thimbirigolla | city | North Western Province | Sri Lanka | 7.73 | 79.97 | 124 | 27562 |
| Thimbiripokuna | city | North Western Province | Sri Lanka | 7.68 | 80.02 | 131 | 33361 |
| Thimbiriwala | city | North Central Province | Sri Lanka | 7.88 | 80.62 | 498 | 27862 |
| Thimbiriwewa | city | North Central Province | Sri Lanka | 8.15 | 80.65 | 593 | 14943 |
| Thimbiriwewa | city | North Western Province | Sri Lanka | 7.72 | 80.32 | 331 | 26849 |
| Thimbiriwewa | city | North Central Province | Sri Lanka | 8.12 | 80.63 | 554 | 15032 |
| Thimbiriyagaswela | city | North Western Province | Sri Lanka | 7.48 | 79.88 | 29 | 66566 |
| Thimbiriyagedera | city | North Western Province | Sri Lanka | 7.78 | 80.30 | 367 | 25739 |
| Thimbiriyawa | city | North Western Province | Sri Lanka | 7.77 | 80.13 | 219 | 28099 |
| Thimbiriyayagonna | city | North Western Province | Sri Lanka | 7.68 | 80.22 | 301 | 28365 |
| Thimilamadam | city | North Eastern Province | Sri Lanka | 9.50 | 80.43 | 13 | 9765 |
| Thimilatheevu | city | North Eastern Province | Sri Lanka | 7.70 | 81.68 | 9 | 29173 |
| Thimilativu | city | North Eastern Province | Sri Lanka | 7.70 | 81.68 | 9 | 29173 |
| Thine Kanuwa | city | Central Province | Sri Lanka | 7.70 | 80.68 | 1000 | 12911 |
| Thinniyagala | city | Central Province | Sri Lanka | 6.98 | 80.50 | 2673 | 56563 |
| Thiraymadu | city | North Eastern Province | Sri Lanka | 7.97 | 81.48 | 19 | 20800 |
| Thiriwanaketiya | city | Province of Sabaragamuwa | Sri Lanka | 6.67 | 80.42 | 475 | 67940 |
| Thirukethiswaram | city | North Eastern Province | Sri Lanka | 8.95 | 79.97 | 6 | 6735 |
| Thirukkaikuda | city | North Eastern Province | Sri Lanka | 8.53 | 81.18 | 3 | 32603 |
| Thirunelvely East | city | North Eastern Province | Sri Lanka | 9.68 | 80.03 | 3 | 48368 |
| Thirunelvely West | city | North Eastern Province | Sri Lanka | 9.68 | 80.02 | 3 | 47716 |
| Thiruvadinilayam | city | North Eastern Province | Sri Lanka | 9.77 | 79.93 | 29 | 32375 |
| Thisnampolagama | city | North Western Province | Sri Lanka | 7.78 | 80.28 | 360 | 25798 |
| Thissogedara | city | North Western Province | Sri Lanka | 7.80 | 80.10 | 219 | 21861 |
| Thoddakkadu | city | North Eastern Province | Sri Lanka | 8.98 | 79.88 | 6 | 5779 |
| Thoduttukattiyawewa | city | North Central Province | Sri Lanka | 8.13 | 80.25 | 200 | 28530 |
| Tholakaddy | city | North Eastern Province | Sri Lanka | 9.78 | 80.08 | 3 | 53824 |
| Tholambagolla | city | Southern Province | Sri Lanka | 7.78 | 80.58 | 892 | 36645 |
| Tholambugolla | city | Southern Province | Sri Lanka | 7.78 | 80.58 | 892 | 36645 |
| Tholangamuwa | city | Province of Sabaragamuwa | Sri Lanka | 7.23 | 80.22 | 603 | 72197 |
| Thona | city | North Eastern Province | Sri Lanka | 7.62 | 81.75 | 3 | 12652 |
| Thondaimanaru | city | North Eastern Province | Sri Lanka | 9.82 | 80.13 | 3 | 34600 |
| Thoppu | city | North Eastern Province | Sri Lanka | 9.77 | 80.10 | 3 | 55839 |
| Thorabichchiya | city | North Western Province | Sri Lanka | 7.53 | 79.98 | 78 | 46750 |
| Thoranagama | city | North Central Province | Sri Lanka | 8.05 | 80.43 | 390 | 27244 |
| Thorankulama | city | North Central Province | Sri Lanka | 8.17 | 80.58 | 396 | 12310 |
| Thorawatawana | city | North Western Province | Sri Lanka | 7.68 | 79.93 | 39 | 29401 |
| Thorawatura | city | North Western Province | Sri Lanka | 7.43 | 80.35 | 505 | 104814 |
| Thotagamuwa | city | Southern Province | Sri Lanka | 7.52 | 80.62 | 1771 | 79566 |
| Thotakadu | city | North Western Province | Sri Lanka | 8.25 | 79.77 | 3 | 13438 |
| Thottama | city | North Eastern Province | Sri Lanka | 7.12 | 81.68 | 524 | 14304 |
| Thukkuvittan | city | North Eastern Province | Sri Lanka | 7.93 | 81.53 | 3 | 17795 |
| Thullukudi Kudiyiruppu | city | North Eastern Province | Sri Lanka | 9.08 | 79.80 | 29 | 4672 |
| Thumbara | city | Central Province | Sri Lanka | 7.83 | 80.60 | 964 | 32633 |
| Thumbulla | city | North Western Province | Sri Lanka | 7.80 | 80.08 | 216 | 21181 |
| Thumbulla | city | North Western Province | Sri Lanka | 7.30 | 80.18 | 406 | 67168 |
| Thumbulla Nikaweratiya | city | North Western Province | Sri Lanka | 7.80 | 80.10 | 219 | 21861 |
| Thumbullegama | city | North Western Province | Sri Lanka | 7.88 | 80.27 | 383 | 20475 |
| Thumpalai | city | North Eastern Province | Sri Lanka | 9.82 | 80.25 | 3 | 32368 |
| Thumpalanchola | city | North Eastern Province | Sri Lanka | 7.62 | 81.50 | 213 | 23070 |
| Thumpalancholai | city | North Eastern Province | Sri Lanka | 7.62 | 81.50 | 213 | 23070 |
| Thumpankerni | city | North Eastern Province | Sri Lanka | 7.53 | 81.72 | 101 | 21021 |
| Thumpankerni | city | North Eastern Province | Sri Lanka | 7.48 | 81.78 | 3 | 17967 |
| Thunavy | city | North Eastern Province | Sri Lanka | 9.72 | 79.97 | 19 | 49272 |
| Thunnalai North | city | North Eastern Province | Sri Lanka | 9.78 | 80.20 | 3 | 71743 |
| Thunnalai South | city | North Eastern Province | Sri Lanka | 9.77 | 80.22 | 3 | 66799 |
| Thuvarankerni | city | North Eastern Province | Sri Lanka | 8.90 | 79.97 | 9 | 8651 |