Tradition: Japanese Mythology
Alternative Names: 怨霊, おんりょう, Grudge Spirit, Vengeful Ghost
Category: Ghost
The Myth
Onryō are among the most feared spirits in Japanese mythology. They are the ghosts of people who died consumed by powerful emotions such as jealousy, rage, hatred, or grief. Unable to pass on because of their overwhelming passions, they transform into wrathful spirits that seek vengeance upon the living. Many were victims of war, betrayal, murder, catastrophe, or suicide, and their ghostly forms may bear the wounds and injuries they suffered before death.
An Onryō seeks to punish those it blames for its suffering, but its vengeance often extends far beyond the original offender. Rather than simply killing its targets, it may subject them to prolonged torment, destroy their relationships, and cause their loved ones to die. Its curse can spread from person to person and affect entire places, creating a cycle of death and destruction. Unlike other ghosts, which may disappear after being appeased or exorcised, an Onryō’s curse can continue to haunt a location long after its spirit has been laid to rest. Its wrath is relentless and does not distinguish between the guilty and the innocent.
Not every Onryō is driven by hatred alone. Sometimes an intense love becomes corrupted by jealousy, causing a spirit to torment a former lover and destroy their new relationships, marriages, and families. The ghost of Oiwa, the central figure of Yotsuya Kaidan, is one of the most famous examples. Brutally disfigured and murdered through her husband’s treachery, she returns as a vengeful ghost whose curse is said to threaten those who retell her story. Actors, producers, and other performers have traditionally visited her grave in Tokyo before adapting the tale, praying for her soul and asking for her blessing. Through such legends, the Onryō embodies the terrifying idea that powerful resentment can survive death and continue to bring suffering to the living.
Sources
“Onryō.” Wikipedia: The Free Encyclopedia. Wikimedia Foundation. Accessed October 15, 2026. https://en.wikipedia.org/wiki/Onry%C5%8D