A Voyage to Arcturus is a novel written by the Scottish author David Lindsay. It was first published in 1920 and is considered a classic of science fiction and fantasy literature. The novel is known for its philosophical and allegorical themes, as well as its imaginative and surreal storytelling.

The story follows the protagonist, Maskull, as he embarks on a journey to the planet Tormance, which orbits the star Arcturus. On Tormance, Maskull encounters a series of bizarre and otherworldly landscapes, creatures, and characters, each of which represents different philosophical ideas and moral dilemmas. As he explores this alien world, he undergoes a profound transformation and experiences a spiritual and existential awakening.

David Lindsay (3 March 1876 – 16 July 1945) was a Scottish author best remembered for the philosophical science fiction novel A Voyage to Arcturus (1920).