Look up blue whale in Wiktionary, the free dictionary.

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

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