Dreamside is a fantasy novel by Graham Joyce first published in the United Kingdom by Pan Books in 1991. It was later reprinted in the United States by Tor Books in 2000. The novel's primary theme is the power of the subconscious and the futility of attempting to escape the past. Joyce wrote Dreamside in the late-1980s while living on the Greek islands of Lesbos and Crete. He sold the book in 1989. Dreamside was later translated into French by Thomas Bauduret and published as L'enfer du rêve in France in May 1995.