Two ships and one shore establishment of the Royal Navy have been named HMS Tern and two other shore establishments as HMS Tern II:
HMS Tern was a paddle minesweeper cancelled in 1918 was a gunboat launched in 1927 and scuttled in 1941. was a Royal Naval Air Station, RNAS Twatt, in operation between 1941 and 1946. HMS Tern II, RNAS Hatston was briefly commissioned HMS Tern II from 1 August to 15 September 1945. HMS Tern II, RNAS Skaebrea was commissioned HMS Tern II from 15 September 1945 to September 1946.