W
- (Greene County) Whale Island
- (Sumter County) Whaleback Island
- (Kodiak Island Borough) Whale Island
- (Yukon-Koyukuk Census Area) Whirlpool Island
- (Aleutians West Census Area) Whip Island
- (Fairbanks North Star Borough) Whiskey Island
- (Kenai Peninsula Borough) White Gull Island
- (Kodiak Island Borough) White Rock
- (Bethel Census Area) Whitefish Lake
- (Yukon-Koyukuk Census Area) Whontleya
- (Kenai Peninsula Borough) Wibel
- (Greene County) Wilby Island
- (Greene County) Willard Island
- (Kusilvak Census Area) Willow Island
- (Matanuska-Susitna Borough) Willow Lake
- (Anchorage Municipality) Wilson Village
- (Greene County) Wingham Island
- (Kodiak Island Borough) Winter Island
- (Aleutians West Census Area) Wislow Island
- (Yukon-Koyukuk Census Area) Wolasatux
- (Anchorage Municipality) Wonder Park
- (Kodiak Island Borough) Wooded Island
- (Sumter County) Wooded Islands
- (Kodiak Island Borough) Woody Island
- (Campbell County) Wosnesenski Island
- (Prince of Wales-Hyder Census Area) Wadleigh Rock
- (Ketchikan Gateway Borough) West Bee Rock
- (Ketchikan Gateway Borough) West Rock
- (Prince of Wales-Hyder Census Area) Whale Rock
- (Ketchikan Gateway Borough) White Rock