| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Thiaveddavan | city | Eastern | Sri Lanka | 7.92 | 81.50 | 16 | 22588 |
| Thibbatulanda | city | Uva | Sri Lanka | 6.89 | 81.45 | 380 | 7341 |
| Thibbatupola | city | Central | Sri Lanka | 7.10 | 80.50 | 2664 | 67882 |
| Thibbatuwewa | city | North Central | Sri Lanka | 8.02 | 80.61 | 830 | 18100 |
| Thibbotugoda | city | Central | Sri Lanka | 7.08 | 80.88 | 3349 | 43644 |
| Thibbotumulla | city | Central | Sri Lanka | 7.46 | 80.64 | 1669 | 101283 |
| Thibbotumunuwa | city | Sabaragamuwa | Sri Lanka | 7.22 | 80.34 | 1017 | 87548 |
| Thihagoda | city | Southern | Sri Lanka | 6.02 | 80.57 | 45 | 119019 |
| Thihamulla | city | North Western | Sri Lanka | 7.42 | 80.24 | 830 | 55979 |
| Thiharigedara | city | North Western | Sri Lanka | 7.82 | 80.17 | 262 | 20150 |
| Thikkam | city | Northern | Sri Lanka | 9.83 | 80.20 | 3 | 46517 |
| Thikkodai | city | Eastern | Sri Lanka | 7.53 | 81.68 | 236 | 22527 |
| Thikkoddaimadu | city | Eastern | Sri Lanka | 7.53 | 81.68 | 236 | 22527 |
| Thikkoddaimunmari | city | Eastern | Sri Lanka | 7.52 | 81.68 | 232 | 22304 |
| Thiladiyagama | city | North Western | Sri Lanka | 8.00 | 79.85 | 62 | 46113 |
| Thilakagama | city | Southern | Sri Lanka | 6.17 | 80.13 | 111 | 118853 |
| Thilakodagama | city | Southern | Sri Lanka | 6.09 | 80.16 | 22 | 136800 |
| Thillaiyadi | city | North Western | Sri Lanka | 8.24 | 79.75 | 6 | 18938 |
| Thimbilla | city | North Western | Sri Lanka | 7.59 | 79.80 | 13 | 30771 |
| Thimbirigama | city | Western | Sri Lanka | 7.06 | 80.13 | 830 | 107566 |
| Thimbirigaspitiya | city | Uva | Sri Lanka | 7.02 | 81.07 | 2509 | 74139 |
| Thimbirigasyaya | city | Western | Sri Lanka | 6.99 | 79.88 | 3 | 280719 |
| Thimbirigolla | city | North Western | Sri Lanka | 7.72 | 79.96 | 118 | 28754 |
| Thimbiripokuna | city | North Western | Sri Lanka | 7.69 | 80.02 | 137 | 31804 |
| Thimbiriwala | city | North Central | Sri Lanka | 7.88 | 80.62 | 830 | 27862 |
| Thimbiriwewa | city | North Central | Sri Lanka | 8.15 | 80.65 | 830 | 14943 |
| Thimbiriwewa | city | North Western | Sri Lanka | 7.72 | 80.32 | 331 | 26849 |
| Thimbiriwewa | city | North Central | Sri Lanka | 8.12 | 80.63 | 830 | 15032 |
| Thimbiriyagaswela | city | North Western | Sri Lanka | 7.48 | 79.89 | 29 | 61855 |
| Thimbiriyagedera | city | North Western | Sri Lanka | 7.78 | 80.30 | 367 | 25739 |
| Thimbiriyakadawala | city | North Western | Sri Lanka | 7.98 | 80.36 | 360 | 18019 |
| Thimbiriyawa | city | North Western | Sri Lanka | 7.97 | 80.20 | 265 | 20308 |
| Thimbiriyawa | city | North Western | Sri Lanka | 7.93 | 80.40 | 830 | 19752 |
| Thimbiriyawa | city | North Western | Sri Lanka | 7.92 | 80.35 | 830 | 19363 |
| Thimbiriyawa | city | North Western | Sri Lanka | 7.82 | 80.18 | 282 | 20457 |
| Thimbiriyayagonna | city | North Western | Sri Lanka | 7.68 | 80.22 | 301 | 28365 |
| Thimilamadam | city | Northern | Sri Lanka | 9.50 | 80.44 | 13 | 11308 |
| Thimilatheevu | city | Eastern | Sri Lanka | 7.70 | 81.68 | 13 | 29783 |
| Thimilativu | city | Eastern | Sri Lanka | 7.70 | 81.68 | 13 | 29783 |
| Thine Kanuwa | city | Central | Sri Lanka | 7.70 | 80.68 | 1000 | 12911 |
| Thinniyagala | city | Central | Sri Lanka | 6.98 | 80.49 | 1912 | 55879 |
| Thiranagama | city | Southern | Sri Lanka | 6.13 | 80.12 | 13 | 95056 |
| Thiraymadu | city | Eastern | Sri Lanka | 7.97 | 81.48 | 19 | 20800 |
| Thiriwanagama | city | Sabaragamuwa | Sri Lanka | 6.59 | 80.77 | 1669 | 28358 |
| Thiriwanakatiya | city | Sabaragamuwa | Sri Lanka | 6.66 | 80.44 | 830 | 68210 |
| Thiriwanaketiya | city | Sabaragamuwa | Sri Lanka | 6.66 | 80.44 | 830 | 68210 |
| Thirukethiswaram | city | Northern | Sri Lanka | 8.95 | 79.97 | 6 | 6735 |
| Thirukkaikuda | city | Eastern | Sri Lanka | 8.54 | 81.19 | 42 | 44782 |
| Thirukkovil | city | Eastern | Sri Lanka | 7.12 | 81.85 | 6 | 7066 |
| Thirunelvely East | city | Northern | Sri Lanka | 9.69 | 80.04 | 3 | 53912 |
| Thirunelvely West | city | Northern | Sri Lanka | 9.69 | 80.03 | 3 | 57488 |
| Thiruvadinilayam | city | Northern | Sri Lanka | 9.78 | 79.93 | 19 | 29222 |
| Thiruwanagalgodella | city | Western | Sri Lanka | 6.62 | 80.24 | 387 | 26444 |
| Thiruwanagoda | city | Central | Sri Lanka | 7.14 | 80.62 | 2926 | 90771 |
| Thisnampolagama | city | North Western | Sri Lanka | 7.78 | 80.28 | 360 | 25798 |
| Thispane | city | Central | Sri Lanka | 7.05 | 80.61 | 3349 | 71536 |
| Thissa Road | city | Uva | Sri Lanka | 6.87 | 81.35 | 830 | 17212 |
| Thissogedara | city | North Western | Sri Lanka | 7.80 | 80.10 | 219 | 21861 |
| Thittagalla | city | Southern | Sri Lanka | 6.01 | 80.35 | 91 | 104049 |
| Thittawelgolla | city | Uva | Sri Lanka | 6.72 | 80.96 | 1669 | 19922 |