Metanoia, an Ancient Greek word (μετάνοια) meaning "changing one's mind", may refer to:
Metanoia (psychology), a process of fundamental psychological transformation, often precipitated by crisis, breakdown, or existential conflict Metanoia (rhetoric), a device used to retract a statement just made, and then state it in a better way Metanoia (theology), often translated as "conversion" or "repentance"
Music Metanoia (Australian band), a Christian death metal band Metanoia (Chilean band), a Christian hardcore band Metanoia (For All Eternity album), 2015 Metanoia (IAMX album), 2015 Metanoia (Porcupine Tree album), 1998 Metanoia (Yōsei Teikoku album), 2007 Metanoia (Persefone album), 2022 Metanoia, an album by Fear of Domination, 2018 Metanoia, Pt.1, an album by Druha Rika, 2012 "Metanoia" (song), by MGMT, 2008 "Metanoia", a song by Gerry Rafferty from Another World, 2000 "Metanoia", a song by the Human Abstract from Midheaven, 2008 "Metanoia", a song by King Missile from Happy Hour, 1992 "Metanoia", a song by Nana Mizuki, 2019 "Metanoia", a song by Varials from Where the Light Leaves, 2026
Other uses Metanoia Films, a Mexican-American film production company Metanoia, a direct climbing route opened in 1991 by Jeff Lowe on the Eiger's north face Metanoia, a fictional video game in the film RPG Metanoia Metanoia: A Speculative Ontology of Language, Thinking, and the Brain, a 2014 book by Armen Avanessian and Anke Hennig