Eidos

Eidos may refer to:


 * Eidos (philosophy), a Greek term meaning "form" "essence", "type" or "species". See Plato's theory of forms and Aristotle's theory of universals
 * Eidos Interactive, a video game publisher created by British software company Eidos plc, which was co-founded by Stephen B. Streater. Or its buyer, SCi Entertainment Group, which was briefly renamed Eidos.
 * Eidos Hungary, a defunct Hungarian development studio formerly of Eidos Interactive
 * Eidos-Montréal, a Canadian development studio of Embracer Group
 * EidosMedia, an Italian software house
 * Eidos, an Italian menswear brand owned by Isaia