To Mega Therion (Greek for "The Great Beast") may refer to:
- The Beast (Revelation), one of three beasts described in the Book of Revelation
- Aleister Crowley (1875–1947), English occultist
- Megatherion, a former name of the Swedish symphonic metal band Therion
- To Mega Therion (album), a 1985 album by Celtic Frost
- "To Mega Therion", a song by Therion from the 1996 album Theli
- Tomegatherion, a fictional character in the video game Body Harvest
See also
edit- Megatherium, an extinct genus of ground sloths
- Therion (disambiguation)