Tyrfing (disambiguation)

Tyrfing was a magic sword in Norse mythology.

Tyrfing or Tirfing may refer to:


 * Thyrfing, a viking metal band from Sweden
 * Tirfing, an opera by Swedish composer Wilhelm Stenhammar
 * HSWMS Tirfing, several ships of the Swedish Navy
 * Super Sonic Strike Missile (3SM) Tyrfing, a missile under development
 * SK Tirfing, a sports club in Harnäs, Sweden