HDMS Havfruen was a frigate of the Royal Danish Navy.
HDMS Havfruen was built at the Royal Dock Yard in Copenhagen to a design by Andreas Schifter.
She was under command of captain C. Lütken and accompanied by HDMS Nymfen from 28 April 1832 to 22 June 1832 Later captains were J. R. Petersen (26 April 1848 – 18 August 1848), Jihn Christmas (18 August 1848 - 14 October 1848), J. R. Petersen (17 March 1849 – 28 September 1849) and J.
The buyer was Det Kjøbenhavnske Skibsrhederi, a subsidiary of H. Puggaard & Co. She was adapted for use as a merchant ship under the supervision of P. Brandt at the Royal Naval Dockyard in 1865–1866.
On 27 March 1882, she was sold to Johan Ingemanson, Elleholm, Blekinge, Sweden, with captain Daniel Petterson as partner.