Horus Heresy

Horus Heresy may refer to:

• A fictional civil war within the Imperium of Man in the Warhammer 40,000 universe
• The Horus Heresy, a Warhammer 40,000 novel series
• Horus Heresy (1993 board game), a Warhammer 40,000 board game
• Horus Heresy (2010 board game), a Warhammer 40,000 board game
• Horus Heresy (card game), a Warhammer 40,000 card game