A deadly weapon is an item that can inflict mortal or great bodily harm.
Deadly Weapon, a 1989 American science fiction film Deadly Weapons, a 1974 American exploitation film Deadly Weapons (album), a 1986 album by Steve Beresford, John Zorn, Tonie Marshall and David Toop "Deadly Weapons", a song by Eyes Set to Kill from the 2009 album The World Outside
See also Lethal Weapon (disambiguation)