| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| IFJ (ISAFJORDUR) | airport | Iceland | 66.06 | -23.14 | 8 | 0 | |
| ISAFJORDUR | airport | Iceland | 66.06 | -23.14 | 8 | 0 | |
| Idha | city | Sudhurland | Iceland | 64.10 | -20.52 | 180 | 105 |
| Idhunnarstadhir | city | Vesturland | Iceland | 64.50 | -21.25 | 830 | 0 |
| Illugastadhir | city | Nordhurland Eystra | Iceland | 65.62 | -17.82 | 830 | 0 |
| Illugastadhir | city | Nordhurland Vestra | Iceland | 66.06 | -19.02 | 91 | 0 |
| Illugastadhir | city | Nordhurland Vestra | Iceland | 65.99 | -19.16 | 334 | 0 |
| Illugastadhir | city | Nordhurland Vestra | Iceland | 65.80 | -19.94 | 830 | 0 |
| Illugastadhir | city | Nordhurland Vestra | Iceland | 65.68 | -20.05 | 830 | 0 |
| Illugastadhir | city | Vestfirdhir | Iceland | 65.62 | -22.67 | 997 | 0 |
| Illugastadhir | city | Nordhurland Vestra | Iceland | 65.61 | -20.88 | 193 | 0 |
| Illugastaðir | city | Nordhurland Eystra | Iceland | 65.62 | -17.82 | 830 | 0 |
| Illugastaðir | city | Nordhurland Vestra | Iceland | 66.06 | -19.02 | 91 | 0 |
| Illugastaðir | city | Nordhurland Vestra | Iceland | 65.99 | -19.16 | 334 | 0 |
| Illugastaðir | city | Nordhurland Vestra | Iceland | 65.80 | -19.94 | 830 | 0 |
| Illugastaðir | city | Nordhurland Vestra | Iceland | 65.68 | -20.05 | 830 | 0 |
| Illugastaðir | city | Vestfirdhir | Iceland | 65.62 | -22.67 | 997 | 0 |
| Illugastaðir | city | Nordhurland Vestra | Iceland | 65.61 | -20.88 | 193 | 0 |
| Imastadhir | city | Austurland | Iceland | 65.04 | -13.64 | 246 | 10 |
| Indridhakot | city | Sudhurland | Iceland | 63.55 | -19.83 | 16 | 0 |
| Indridhastadhir | city | Vesturland | Iceland | 64.53 | -21.63 | 246 | 0 |
| Indriðakot | city | Sudhurland | Iceland | 63.55 | -19.83 | 16 | 0 |
| Indriðastaðir | city | Vesturland | Iceland | 64.53 | -21.63 | 246 | 0 |
| Ingjaldsholl | city | Vesturland | Iceland | 64.91 | -23.82 | 39 | 584 |
| Ingjaldsstadhir | city | Nordhurland Eystra | Iceland | 65.70 | -17.52 | 830 | 0 |
| Ingjaldsstaðir | city | Nordhurland Eystra | Iceland | 65.70 | -17.52 | 830 | 0 |
| Ingolfsfjordhur | city | Vestfirdhir | Iceland | 66.02 | -21.68 | 154 | 0 |
| Ingunnarstadhir | city | Vestfirdhir | Iceland | 65.53 | -22.78 | 131 | 0 |
| Ingunnarstadhir | city | Vestfirdhir | Iceland | 65.48 | -21.92 | 127 | 0 |
| Ingunnarstadhir | city | Hofudhborgarsvaedhi | Iceland | 64.37 | -21.34 | 278 | 0 |
| Ingunnarstaðir | city | Vestfirdhir | Iceland | 65.53 | -22.78 | 131 | 0 |
| Ingunnarstaðir | city | Vestfirdhir | Iceland | 65.48 | -21.92 | 127 | 0 |
| Ingunnarstaðir | city | Hofudhborgarsvaedhi | Iceland | 64.37 | -21.34 | 278 | 0 |
| Ingvarir | city | Nordhurland Eystra | Iceland | 65.94 | -18.57 | 45 | 755 |
| Ingveldarstadhir | city | Nordhurland Eystra | Iceland | 66.02 | -16.59 | 187 | 0 |
| Ingveldarstadhir | city | Nordhurland Vestra | Iceland | 65.87 | -19.72 | 3 | 0 |
| Ingveldarstadhir | city | Nordhurland Vestra | Iceland | 65.74 | -19.22 | 830 | 0 |
| Ingveldarstaðir | city | Nordhurland Eystra | Iceland | 66.02 | -16.59 | 187 | 0 |
| Ingveldarstaðir | city | Nordhurland Vestra | Iceland | 65.87 | -19.72 | 3 | 0 |
| Ingveldarstaðir | city | Nordhurland Vestra | Iceland | 65.74 | -19.22 | 830 | 0 |
| Ingólfsfjörður | city | Vestfirdhir | Iceland | 66.02 | -21.68 | 154 | 0 |
| Innra Leiti | city | Vesturland | Iceland | 65.02 | -22.18 | 249 | 0 |
| Innri Hjardhardalur | city | Vestfirdhir | Iceland | 66.02 | -23.38 | 1794 | 0 |
| Innri Hjarðardalur | city | Vestfirdhir | Iceland | 66.02 | -23.38 | 1794 | 0 |
| Innri Lambadalur | city | Vestfirdhir | Iceland | 65.86 | -23.29 | 16 | 0 |
| Innri Njardhvik | city | Sudhurnes | Iceland | 63.98 | -22.51 | 3 | 3938 |
| Innri Njarðvík | city | Sudhurnes | Iceland | 63.98 | -22.51 | 3 | 3938 |
| Innri Vedhraa | city | Vestfirdhir | Iceland | 66.01 | -23.40 | 830 | 24 |
| Innri Veðraá | city | Vestfirdhir | Iceland | 66.01 | -23.40 | 830 | 24 |
| Innri-Kleif | city | Austurland | Iceland | 64.83 | -14.25 | 830 | 0 |
| Innri-Skeljabrekka | city | Vesturland | Iceland | 64.54 | -21.74 | 121 | 157 |
| Innri-Tindstadhir | city | Hofudhborgarsvaedhi | Iceland | 64.30 | -21.75 | 830 | 2666 |
| Innri-Tindstaðir | city | Hofudhborgarsvaedhi | Iceland | 64.30 | -21.75 | 830 | 2666 |
| Innri-Trodh | city | Vesturland | Iceland | 65.00 | -23.13 | 49 | 0 |
| Innri-Tröð | city | Vesturland | Iceland | 65.00 | -23.13 | 49 | 0 |
| Innribugur | city | Vesturland | Iceland | 64.88 | -23.65 | 830 | 398 |
| Innrihólmur | city | Vesturland | Iceland | 64.31 | -21.93 | 0 | 43 |
| Innstaland | city | Nordhurland Vestra | Iceland | 65.78 | -19.67 | 3 | 755 |
| Innstekkur | city | Austurland | Iceland | 65.05 | -13.96 | 830 | 382 |
| Innstivogur | city | Vesturland | Iceland | 64.34 | -22.04 | 45 | 5456 |
| Irafell | city | Hofudhborgarsvaedhi | Iceland | 64.28 | -21.43 | 830 | 0 |
| Isafiordr | city | Vestfirdhir | Iceland | 66.07 | -23.12 | 0 | 16 |
| Isafjardardjup | city | Vestfirdhir | Iceland | 66.07 | -23.12 | 0 | 16 |
| Isafjoerdur | city | Vestfirdhir | Iceland | 66.07 | -23.12 | 0 | 16 |
| Isafjorduras | city | Vestfirdhir | Iceland | 66.07 | -23.12 | 0 | 16 |
| Isafjordür | city | Vestfirdhir | Iceland | 66.07 | -23.12 | 0 | 16 |
| Isleifsstadhir | city | Vesturland | Iceland | 64.63 | -22.38 | 6 | 0 |
| Isolfsstadhir | city | Nordhurland Eystra | Iceland | 66.16 | -17.25 | 262 | 6 |
| Issafjordhur | city | Vestfirdhir | Iceland | 66.07 | -23.12 | 0 | 16 |
| Issafjörður | city | Vestfirdhir | Iceland | 66.07 | -23.12 | 0 | 16 |
| Isólfsskáli | city | Sudhurnes | Iceland | 63.85 | -22.30 | 39 | 1 |
| Iðunnarstaðir | city | Vesturland | Iceland | 64.50 | -21.25 | 830 | 0 |