K
- (Kodiak Island Borough) Kukak
- (Lowndes County) Kulgurak Island
- (Kodiak Island Borough) Kulichkof Island
- (Kodiak Island Borough) Kulichkof Island
- (Bethel Census Area) Kulvagavik
- (Campbell County) Kulyugayak
- (Lake and Peninsula Borough) Kumlik Island
- (Bethel Census Area) Kuskovak
- (Kusilvak Census Area) Kutmiut
- (Bethel Census Area) Kwigluk Island
- (Kusilvak Census Area) Kwigorlak
- (Kusilvak Census Area) Kwikluak
- (Kusilvak Census Area) Kwikak
- (Campbell County) Kaiasik
- (Aleutians West Census Area) Kanuuxsux
- (Aleutians West Census Area) Katiriinam Tanaa
- (Aleutians West Census Area) Kingdaxsxa
- (Aleutians West Census Area) Kuuchaxsis
- (Aleutians West Census Area) Kagalusum Hachan Tanangis
- (Aleutians West Census Area) Kalulam-tatugan Hachan Tanangis
- (Aleutians West Census Area) Kliixtax
- (Aleutians West Census Area) Kingdaxsxan
- (Matanuska-Susitna Borough) K'tl'ila T'el'iht
- (Matanuska-Susitna Borough) K'tsel Uq'e T'el'ihi
- (Matanuska-Susitna Borough) K'chan Uq'e T'el'ihi
- (Lowndes County) Kagvik Creek
- (Kodiak Island Borough) Kizhuyak
- Kamishak
- (Aleutians West Census Area) Kashega
- (Dillingham Census Area) Kanakanak