HMS Coreopsis was an Anchusa-class sloop and Q-ship of the Royal Navy, built at the yards of Barclay Curle on Clydeside and launched on 15 September 1917.

Employed as a decoy ship with concealed armament, she served with the Grand Fleet or in the Mediterranean operating from Gibraltar under the false names Beardsley and Bigott.

[1] After the end of the First World War, she was laid up before being sold for breaking on 6 September 1922, but did not arrive at Thos.

W. Ward's yard in Preston, Lancashire until 5 May 1924.

[2] HMS Coreopsis is sometimes confused with HM Drifter Coreopsis II, which is credited with sinking the German submarine SM UB-85 on 30 April 1918.