Apostasy (disambiguation)
Apostasy is the formal disaffiliation from, or abandonment or renunciation of, a religion by a person.
Apostasy may also refer to:
- Apostasia of 1965 (Apostasy of 1965), often called the Apostacy (Apostasia), a Greek coup
- Apostasy (1948 film), Japanese film by Keisuke Kinoshita
- Apostasy (2017 film), 2017 British drama film directed by Daniel Kokotajlo
- Apostasy (band), a Swedish black metal band
- The Apostasy, a 2007 album by Polish band Behemoth