The blue whale is the largest species of whale, and the largest species of all animal species.
Blue whale may also refer to:
Blue Whale Harbour, an anchorage on South Georgia Island Blue Whale Mountain, a mountain on South Georgia Island Blue Whale Systems, a British mobile phone services software company Blue Whale of Catoosa a waterfront structure, just east of Catoosa, Oklahoma Blue Whale Jazz Club, a jazz club in Los Angeles Blue Whale Challenge, an online game that reportedly features suicide as the end goal Blue Whale 1, a rocket developed by Perigee Aerospace A short-lived band featuring drummer Aynsley Dunbar Nickname of Center Blue, a large building within the Pacific Design Center BlueWhale, a German-Israeli unmanned underwater drone (UUV) from ELTA Systems Ltd. and Atlas Elektronik