HMS may refer to: Ship names Her Majesty's Ship (or His Majesty's Ship, or Submarine), the prefix of Royal Navy ship names since 1789 Hans Majestäts Skepp (His Majesty's ship) or Hennes Majestäts Skepp (Her Majesty's Ship), the prefix of Royal Swedish Navy ship names Organizations Hellenic Mathematical Society, a Greek learned society Hind Mazdoor Sabha, a trade union in India Historical Maritime Society, a British naval reenactment society Hendrick Motorsports, NASCAR racing te… (More on Hms)