Khan Kluay (Thai: ก้านกล้วย; RTGS: Kan Kluai) is a 2006 Thai animated adventure film set in Ayutthaya-era Siam about a Thai elephant who wanders away from his mother and becomes the war elephant for King Naresuan. It is based on the story Chao Phraya Prap Hongsawadee by Ariya Jintapanichkarn. The film took three years to make, and was released on May 18, 2006, in Thailand. In 2007, the film was released as The Blue Elephant in the United States on September 2, and as Jumbo in India in December 25.

Khan Kluay is directed by Kompin Kemgumnird, an animator who had worked on Disney films such as Atlantis: The Lost Empire and Tarzan and Blue Sky Studios' Ice Age. Produced by Kantana Animation, it was the first Thai 3D animated feature film and the first Thai animated feature film released since The Adventure of Sudsakorn, a 1979 cel-animated film by Payut Ngaokrachang. The film's sequel, Khan Kluay 2, is about Khan Kluay's two elephant children, another attack by the Hanthawaddy, and the choice between living with his wife or fighting the Burmese. An animated television series, The Adventures of Khan Kluay, was produced by Kantana Animation Studio and broadcast on BBTV Channel 7.