| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ibrayankulam | city | Eastern | Sri Lanka | 7.65 | 81.60 | 167 | 23039 |
| Iccilampattai | city | Eastern | Sri Lanka | 8.30 | 81.37 | 19 | 10528 |
| Ichantive | city | Eastern | Sri Lanka | 7.72 | 81.64 | 45 | 31575 |
| Ichantivu | city | Eastern | Sri Lanka | 7.72 | 81.64 | 45 | 31575 |
| Ichchantivu | city | Eastern | Sri Lanka | 8.47 | 81.20 | 16 | 12747 |
| Ichchilampattai | city | Eastern | Sri Lanka | 8.30 | 81.37 | 19 | 10528 |
| Ichchilanipattai | city | Eastern | Sri Lanka | 8.30 | 81.37 | 19 | 10528 |
| Iddapola | city | Eastern | Sri Lanka | 7.50 | 81.30 | 830 | 14304 |
| Ietty | city | Eastern | Sri Lanka | 8.94 | 80.99 | 42 | 5481 |
| Ighilampattai | city | Eastern | Sri Lanka | 8.30 | 81.37 | 19 | 10528 |
| Ilakanta | city | Eastern | Sri Lanka | 8.48 | 81.35 | 9 | 6132 |
| Ilakanthai | city | Eastern | Sri Lanka | 8.48 | 81.35 | 9 | 6132 |
| Ilakkantai | city | Eastern | Sri Lanka | 8.48 | 81.35 | 9 | 6132 |
| Ilankaitturai | city | Eastern | Sri Lanka | 8.37 | 81.37 | 3 | 7009 |
| Ilankaiturai | city | Eastern | Sri Lanka | 8.37 | 81.37 | 3 | 7009 |
| Illukkuveddi | city | Eastern | Sri Lanka | 7.79 | 81.52 | 134 | 24876 |
| Illukuveddi | city | Eastern | Sri Lanka | 7.79 | 81.52 | 134 | 24876 |
| Illupaikulam | city | Eastern | Sri Lanka | 8.63 | 81.20 | 9 | 39512 |
| Illupaiyadichenai | city | Eastern | Sri Lanka | 7.63 | 81.68 | 45 | 19485 |
| Illupayadichenai | city | Eastern | Sri Lanka | 7.73 | 81.56 | 124 | 22133 |
| Illuppadichenai | city | Eastern | Sri Lanka | 7.73 | 81.56 | 124 | 22133 |
| Illuppaiyadichchenai | city | Eastern | Sri Lanka | 7.63 | 81.68 | 45 | 19485 |
| Illuppaiyadichenai | city | Eastern | Sri Lanka | 7.63 | 81.68 | 45 | 19485 |
| Ilukpitiya | city | Eastern | Sri Lanka | 7.22 | 81.66 | 830 | 15142 |
| Iluppadichchenai | city | Eastern | Sri Lanka | 7.73 | 81.56 | 124 | 22133 |
| Indulpitiyawa | city | Eastern | Sri Lanka | 8.80 | 80.92 | 88 | 12216 |
| Innampalaipuval | city | Eastern | Sri Lanka | 7.65 | 81.62 | 177 | 22796 |
| Inoorvillu | city | Eastern | Sri Lanka | 7.63 | 81.57 | 167 | 23095 |
| Irakkamam | city | Eastern | Sri Lanka | 7.25 | 81.72 | 275 | 19972 |
| Irakkattuveli | city | Eastern | Sri Lanka | 7.68 | 81.67 | 32 | 26488 |
| Iralakkulam | city | Eastern | Sri Lanka | 7.77 | 81.47 | 236 | 23095 |
| Irattai | city | Eastern | Sri Lanka | 6.81 | 81.77 | 98 | 13962 |
| Iththiyadimadu | city | Eastern | Sri Lanka | 7.70 | 81.60 | 108 | 18354 |