Stone is a 1974 Australian outlaw biker film written, directed and produced by Sandy Harbutt. It is a low budget film by company Hedon Productions.

Police officer Stone goes undercover with the Gravediggers outlaw motorcycle gang, to find out who is murdering their members, one by one.

The film stars Ken Shorter and features Rebecca Gilling, Bill Hunter and Helen Morse. The film's soundtrack was composed by Billy Green and featured some members of his group Sanctuary. Motorcycles featured include the legendary Kawasaki Z1(900). Stone initially rides a Norton.

The promotional trailer video features narration by radio and media personality John Laws. The film was featured in the documentary, Not Quite Hollywood, in which Quentin Tarantino enthuses about his admiration for the film.

Australian stuntman Peter Armstrong set a then-world record for riding a motorcycle off an 80-foot cliff to fall headfirst into the sea.