Four ships of the United States Navy have been named USS Alaska in honor of the 49th state.

• The first USS Alaska , was a wooden-hulled screw sloop-of-war that saw numerous small actions between the American Civil War and the Mexican-American War.
• The second USS Alaska , was a steam trawler chartered to serve as a minesweeper during World War I.
• The third USS Alaska (CB-1), the lead ship of her class of large cruiser, saw action in the last days of World War II.
• The fourth USS Alaska (SSBN-732) is an Ohio-class ballistic missile submarine.