Arcadia is the name of planet in multiple works of science fiction.
- Soldier 1998 film
- Poul Anderson's short story "Dialogue" in his collection Dialogue With Darkness, where the planet is also named Eridani Epsilon II
- Deceit, a Doctor Who universe novel
- Ruse a Sigilverse comic book series
- Arcady - Norman Spinrad's novel The Void Captain's Tale, p. 11