The Last Unicorn is a 1982 American animated fantasy film directed and produced by Arthur Rankin Jr. and Jules Bass, from a script by Peter S. Beagle adapted from his 1968 novel of the same title. The plot concerns a unicorn who, upon learning that she is the last of her species on Earth, goes on a quest to find out what has happened to others of her kind. It was produced by Rankin/Bass Productions for ITC Entertainment and animated by Topcraft.

Peter Soyer Beagle is an American novelist and screenwriter, especially of fantasy fiction. His best-known work is The Last Unicorn (1968) which Locus subscribers voted the number five "All-Time Best Fantasy Novel" in 1987. During the last twenty-five years he has won several literary awards, including a World Fantasy Award for Life Achievement in 2011. He was named Damon Knight Memorial Grand Master by SFWA in 2018.