Aletheia () is truth or disclosure in philosophy.
Aletheia may also refer to:
259 Aletheia, a large asteroid Aletheia (album), 2013 album by Hope for the Dying "Aletheia" (Person of Interest), an episode of the TV series Person of Interest Aletheia M. D., author of the 1897 Rationalist's Manual Aletheia University, a university in New Taipei, Taiwan Alethia, a poetic adaptation of the Book of Genesis into Latin by Claudius Marius Victorius Aletheia, the Greek version of Veritas, the Roman goddess of truth
See also Alethea, a female given name Aleteia, a Catholic news and information website Aletheian, a Christian death metal band Alethiometer, a "truth teller" device in Philip Pullman's fantasy novel trilogy His Dark Materials