- Klawock Island
- Kleiti Islands
- Klery Creek
- Kliixtax
- Klikitarik
- Klinau Island
- Kliuchevoi Island
- Klochkof Rock
- Klokachef Island
- Kluanil Island
- Kluchevaya
- Klukwan
- Klutchevya
- Knight Island
- Knight Island
- Knik
- Knik-Fairview
- Knik Heights
- Knik River
- Knob Island
- Kobuk
- Kochu Island
- Kodiak
- Kodiak Island
- Kodiak Station
- Koggiung
- Kohl Island
- Koka Island
- Kokhanok
- Kokinhenik Island