The Star Wars space opera universe, created by George Lucas, features some dialogue spoken in fictional languages. The lingua franca of the franchise is known in-universe as "Galactic Basic", used to refer to the language of the film or work itself, be it English or a language that the work was dubbed or translated into.

Wookiees are fictional humanoid aliens in the Star Wars universe, native to the forest planet Kashyyyk. They are distinguished from humans by their gigantism, hirsutism, and physical strength. The most prominent Wookiee in the films is Chewbacca, the co-pilot of the Millennium Falcon alongside his best friend Han Solo.