| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Iditarod | city | Alaska | United States | 62.54 | -158.10 | 209 | |
| Igadagix (historical) | city | Alaska | United States | 51.77 | -177.80 | 3 | |
| Igagik | city | Alaska | United States | 58.22 | -157.38 | 98 | |
| Igiak (historical) | city | Alaska | United States | 61.62 | -165.93 | 49 | |
| Igiayarok | city | Alaska | United States | 61.72 | -165.30 | 6 | |
| Igiugig | city | Alaska | United States | 59.33 | -155.89 | 104 | |
| Igloo (historical) | city | Alaska | United States | 65.15 | -165.06 | 78 | |
| Igluqpauraq | city | Alaska | United States | 71.30 | -156.77 | 13 | |
| Igushik | city | Alaska | United States | 58.71 | -158.89 | 32 | |
| Ikatan | city | Alaska | United States | 54.75 | -163.31 | 830 | |
| Ikatlek (historical) | city | Alaska | United States | 61.97 | -160.40 | 154 | |
| Ikkunax (historical) | city | Alaska | United States | 52.12 | -174.03 | 295 | |
| Iknetuk (historical) | city | Alaska | United States | 64.47 | -163.07 | 0 | |
| Ikolik (historical) | city | Alaska | United States | 57.29 | -154.78 | 0 | |
| Iliamna | city | Alaska | United States | 59.76 | -154.91 | 108 | |
| Iliuliuk | city | Alaska | United States | 53.87 | -166.54 | 98 | |
| Iluulux̂ | city | Alaska | United States | 53.87 | -166.54 | 98 | |
| Imagnee (historical) | city | Alaska | United States | 53.92 | -166.42 | 830 | |
| Imokhtegokshuk (historical) | city | Alaska | United States | 64.45 | -164.97 | 13 | |
| Indian | city | Alaska | United States | 60.99 | -149.51 | 0 | |
| Ingrakaklak (historical) | city | Alaska | United States | 62.62 | -164.80 | 3 | |
| Ingregamiut (historical) | city | Alaska | United States | 61.95 | -160.57 | 32 | |
| Ingrihak | city | Alaska | United States | 61.76 | -162.00 | 98 | |
| Ingrimiut (historical) | city | Alaska | United States | 60.06 | -165.72 | 3 | |
| Iniskin | city | Alaska | United States | 59.75 | -153.24 | 396 | |
| Initkilly (historical) | city | Alaska | United States | 68.87 | -165.15 | 114 | |
| Inselnostlinde (historical) | city | Alaska | United States | 62.75 | -159.75 | 59 | |
| Intenleiden (historical) | city | Alaska | United States | 62.75 | -159.75 | 59 | |
| Ipnatchiaq | city | Alaska | United States | 66.08 | -162.72 | 42 | |
| Ipnot (historical) | city | Alaska | United States | 68.18 | -166.02 | 0 | |
| Iquaq | city | Alaska | United States | 59.35 | -157.48 | 98 | |
| Iquk | city | Alaska | United States | 58.80 | -158.55 | 85 | |
| Iron Creek | city | Alaska | United States | 64.96 | -164.66 | 367 | |
| Ishiuk (historical) | city | Alaska | United States | 68.17 | -156.50 | 2063 | |
| Isla Amchitka | city | Alaska | United States | 51.57 | 178.88 | 0 | |
| Isola di Unalaska | city | Alaska | United States | 53.87 | -166.54 | 98 | |
| Itulilik (historical) | city | Alaska | United States | 61.38 | -157.05 | 187 | |
| Iunellum | city | Alaska | United States | 58.30 | -134.42 | 0 | |
| Ivanof Bay | city | Alaska | United States | 55.90 | -159.48 | 0 | |
| Ivisaappaat | city | Alaska | United States | 67.09 | -157.85 | 72 | |
| Iŋaliq | city | Alaska | United States | 65.76 | -168.95 | 830 |