Two ships of the Royal Navy have been named HMS Flamingo, after the bird.

• The first {{HMS|Flamingo|1876}} was a composite screw gunvessel launched in 1876, sent to harbour service in 1893, and sold 1923.
• The second {{HMS|Flamingo|L18}} was a {{sclass-|Black Swan|sloop|0}} sloop. She was laid down by Yarrow Shipbuilders at Scotstoun in Glasgow on 26 May 1938, launched on 18 April 1939, completed on 3 November 1939 and commissioned 3 December 1939. Flamingo was sold to West Germany on January 1959, and renamed Graf Spee.

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