G
- Glacier
- (Copper River Census Area) Glacier Creek
- (Aleutians West Census Area) Gibson Islands
- (Ketchikan Gateway Borough) Gannet Island
- (Sitka City and Borough) Galankin Islands
- (Perry County) Gaff Rock
- (Sitka City and Borough) Galankin Island
- (Sitka City and Borough) Gagarin Island
- (Perry County) Gain Island
- (Sitka City and Borough) Galkin Island
- (Perry County) Gambier Island
- (Perry County) Geikie Rock
- (Prince of Wales-Hyder Census Area) Gaohi Islands
- (Prince of Wales-Hyder Census Area) Garden Island
- (Perry County) Garforth Island
- (Prince of Wales-Hyder Census Area) Garcia Island
- (Prince of Wales-Hyder Census Area) Garita Rock
- (Prince of Wales-Hyder Census Area) Gas Rock
- (Prince of Wales-Hyder Census Area) Green Island
- (Perry County) Gauntlet Island
- (Yakutat City and Borough) Gateway Knob
- (Perry County) Gauge Island
- (Prince of Wales-Hyder Census Area) Gaviota Rock
- (Sitka City and Borough) Gavanski Islands
- (Prince of Wales-Hyder Census Area) Gaviota Islets
- (Ketchikan Gateway Borough) Gedney Island
- (Sitka City and Borough) Gillmore Islands
- (Perry County) George Island
- (Perry County) George Islands
- (Ketchikan Gateway Borough) Gilanta Rocks