I
- Indian Village
- (Kusilvak Census Area) Ingrihak
- Igloo
- (Kodiak Island Borough) Inner Humpback Rock
- (Campbell County) Inner Iliasik Island
- (Kodiak Island Borough) Inner Seal Rock
- (Aleutians West Census Area) Inner Signal
- Ikpek
- (Campbell County) Isanotski Island
- (Campbell County) Isanotski Islands
- (Yukon-Koyukuk Census Area) Iditarod
- (Campbell County) Island Group
- (Campbell County) Island Rock
- (Kenai Peninsula Borough) Ismailof Island
- (Nome Census Area) Iron Creek
- (Kodiak Island Borough) Isthmus Island
- (Kenai Peninsula Borough) Iniskin
- (Campbell County) Ivan Island
- (Greene County) Izmaylov Island
- (Copper River Census Area) Isabel Pass
- Ilnik
- (Campbell County) Ikatan
- (Aleutians West Census Area) Imuqudaagis
- (Aleutians West Census Area) Inglum Hasaa
- (Aleutians West Census Area) Ikazagan Tanasuu
- (Aleutians West Census Area) Igluqatus
- (Aleutians West Census Area) Iilas
- (Aleutians West Census Area) Ixsaxsxin
- (Campbell County) Inikla Island
- (Lowndes County) Ivishak