HMS Offa explained

Two ships of the Royal Navy have borne the name HMS Offa, after Offa of Mercia. A third was renamed before being launched:

• HMS Offa was a, originally under construction for the Turkish Navy. She was taken over and renamed HMS Offa, but was launched as in 1915.
• was an launched in 1916 and sold in 1921.
• was an O-class destroyer launched in 1941. She was sold to the Pakistani Navy in 1949 and renamed Tariq. She was scrapped in 1959.