Razorback is a 1984 Australian natural horror film written by Everett De Roche and directed by Russell Mulcahy. It is based on Peter Brennan's 1981 novel. In the film, a gigantic wild boar terrorizes the Australian outback, killing and devouring people. It was released theatrically in Australia by Greater Union Film Distributors on 19 April 1984, and in the United States by Warner Bros. on 16 November 1984.