C
- (Nome Census Area) Channel Island
- (Sumter County) Channel Island
- (Aleutians West Census Area) Channel Islands
- (Greene County) Channel Islands
- (Kodiak Island Borough) Channel Rock
- (Sumter County) Channel Rock
- (Yukon-Koyukuk Census Area) Chapman Island
- (Southeast Fairbanks Census Area) Charley Village
- (Southeast Fairbanks Census Area) Charlieskin Village
- (Greene County) Chase Island
- (Kenai Peninsula Borough) Chat Island
- (Kenai Peninsula Borough) Chatham Island
- (Greene County) Chenega Bay
- (Greene County) Chenega Island
- (Campbell County) Chernabura Island
- (Campbell County) Cherni Island
- (Anchorage Municipality) Chester
- (Kenai Peninsula Borough) Cheval Island
- (Yukon-Koyukuk Census Area) Chetlechak Island
- (Lake and Peninsula Borough) Chiachi Islands
- (Fairbanks North Star Borough) Chickaloon
- (Greene County) Chicken Island
- (Lake and Peninsula Borough) Chignik Island
- (Bethel Census Area) Chimekliak
- (Kodiak Island Borough) Chiniak Island
- (Yukon-Koyukuk Census Area) Chips Island
- (Kodiak Island Borough) Chirikof Island
- (Aleutians West Census Area) Chisak Island
- (Kenai Peninsula Borough) Chisik Island
- (Lake and Peninsula Borough) Chistiakof Island