| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Iantikutain | city | Northern | Sri Lanka | 8.56 | 79.97 | 39 | 6409 |
| Ichchankulam | city | Northern | Sri Lanka | 8.84 | 80.42 | 252 | 9179 |
| Idai Kurichchi | city | Northern | Sri Lanka | 9.73 | 80.22 | 3 | 57199 |
| Idaikkadu | city | Northern | Sri Lanka | 9.78 | 80.12 | 3 | 56574 |
| Idaikkadu | city | Northern | Sri Lanka | 9.15 | 80.65 | 114 | 6220 |
| Idaikkurichchi | city | Northern | Sri Lanka | 9.73 | 80.22 | 3 | 57199 |
| Ilakkarikkulam | city | Northern | Sri Lanka | 8.73 | 79.96 | 13 | 6571 |
| Ilamarudankulam | city | Northern | Sri Lanka | 8.68 | 80.49 | 259 | 10902 |
| Ilamarudankulama | city | Northern | Sri Lanka | 8.68 | 80.49 | 259 | 10902 |
| Ilamarutankulam | city | Northern | Sri Lanka | 8.86 | 80.56 | 301 | 7762 |
| Ilamaruthankulam | city | Northern | Sri Lanka | 8.89 | 80.47 | 255 | 8053 |
| Ilamaruthankulam | city | Northern | Sri Lanka | 8.74 | 80.39 | 232 | 8047 |
| Ilamaruthankulam | city | Northern | Sri Lanka | 8.86 | 80.56 | 301 | 7762 |
| Ilantaikkulam | city | Northern | Sri Lanka | 8.83 | 79.97 | 6 | 9117 |
| Ilantaikkulam | city | Northern | Sri Lanka | 8.78 | 79.95 | 22 | 6000 |
| Ilantaikkulam | city | Northern | Sri Lanka | 8.82 | 80.05 | 45 | 9536 |
| Ilantaimoddaikkulam | city | Northern | Sri Lanka | 8.78 | 79.95 | 19 | 6817 |
| Ilantaivan | city | Northern | Sri Lanka | 8.92 | 80.00 | 6 | 9451 |
| Ilavalai | city | Northern | Sri Lanka | 9.79 | 79.99 | 42 | 39983 |
| Illakkarikkulam | city | Northern | Sri Lanka | 8.73 | 79.96 | 13 | 6571 |
| Illantaikkulam | city | Northern | Sri Lanka | 8.78 | 79.95 | 22 | 6000 |
| Illehpekadewe | city | Northern | Sri Lanka | 9.10 | 80.08 | 3 | 5083 |
| Illupaikedavai | city | Northern | Sri Lanka | 9.10 | 80.08 | 3 | 5083 |
| Illupaikulam | city | Northern | Sri Lanka | 8.70 | 80.53 | 334 | 14579 |
| Illupaikulam | city | Northern | Sri Lanka | 8.88 | 80.00 | 45 | 9536 |
| Illuppaikadavai | city | Northern | Sri Lanka | 9.10 | 80.08 | 3 | 5083 |
| Illuppaikkadavai | city | Northern | Sri Lanka | 9.10 | 80.08 | 3 | 5083 |
| Illuppaikulam | city | Northern | Sri Lanka | 8.70 | 80.53 | 334 | 14579 |
| Iluppaikkadavai | city | Northern | Sri Lanka | 9.10 | 80.08 | 3 | 5083 |
| Iluppaikkulam | city | Northern | Sri Lanka | 8.88 | 80.00 | 45 | 9536 |
| Ilvalai | city | Northern | Sri Lanka | 9.79 | 79.99 | 42 | 39983 |
| Imaiyanan | city | Northern | Sri Lanka | 9.80 | 80.15 | 3 | 50691 |
| Imayanan | city | Northern | Sri Lanka | 9.80 | 80.15 | 3 | 50691 |
| Inuvil | city | Northern | Sri Lanka | 9.72 | 80.03 | 6 | 64869 |
| Iramiankatkulam | city | Northern | Sri Lanka | 8.75 | 80.36 | 213 | 8046 |
| Iramiyankatkulam | city | Northern | Sri Lanka | 8.75 | 80.36 | 213 | 8046 |
| Iramiyankulam | city | Northern | Sri Lanka | 9.07 | 80.27 | 88 | 6130 |
| Irampaikkulam | city | Northern | Sri Lanka | 8.75 | 80.49 | 301 | 24028 |
| Irampaikkulam | city | Northern | Sri Lanka | 8.89 | 80.51 | 295 | 8046 |
| Irampaikulam | city | Northern | Sri Lanka | 8.89 | 80.51 | 295 | 8046 |
| Iranai Illuppaikulam | city | Northern | Sri Lanka | 8.85 | 80.35 | 252 | 8985 |
| Iranai Iluppaikkulam | city | Northern | Sri Lanka | 8.85 | 80.35 | 252 | 8985 |
| Iranaitivu South | city | Northern | Sri Lanka | 9.27 | 80.00 | 3 | 611 |
| Iranamadu | city | Northern | Sri Lanka | 9.35 | 80.41 | 72 | 10976 |
| Irani Illuppaikkulam | city | Northern | Sri Lanka | 8.85 | 80.35 | 252 | 8985 |
| Iratperiyakulam | city | Northern | Sri Lanka | 8.70 | 80.47 | 262 | 13143 |
| Iratperiyakulama | city | Northern | Sri Lanka | 8.70 | 80.47 | 262 | 13143 |
| Irattaikulam | city | Northern | Sri Lanka | 8.82 | 80.05 | 45 | 9536 |
| Irupalai | city | Northern | Sri Lanka | 9.69 | 80.05 | 3 | 55223 |
| Isamalaittalvu | city | Northern | Sri Lanka | 8.80 | 80.07 | 55 | 9536 |
| Ithavil | city | Northern | Sri Lanka | 9.64 | 80.32 | 3 | 22030 |
| Ittavil | city | Northern | Sri Lanka | 9.64 | 80.32 | 3 | 22030 |
| Ittikkandal | city | Northern | Sri Lanka | 8.92 | 80.02 | 13 | 9521 |
| Ittikkulam | city | Northern | Sri Lanka | 8.78 | 80.01 | 36 | 9535 |
| Ittikulam | city | Northern | Sri Lanka | 8.73 | 80.44 | 265 | 12245 |
| Ittikulam | city | Northern | Sri Lanka | 8.71 | 80.50 | 308 | 15167 |
| Ivinai | city | Northern | Sri Lanka | 9.77 | 80.07 | 3 | 58905 |
| Iyakachchi | city | Northern | Sri Lanka | 9.57 | 80.40 | 3 | 17591 |
| Iyakkachchi | city | Northern | Sri Lanka | 9.57 | 80.40 | 3 | 17591 |
| Iyankaravur | city | Northern | Sri Lanka | 8.73 | 80.40 | 226 | 8201 |