Jormungandr (disambiguation)

Jörmungandr or Jormungandr can refer to:


 * Jörmungandr, a giant sea serpent in Norse mythology
 * Jormungand from Marvel Comics, also known as the Midgard Serpent (Marvel Comics)
 * Jormungandr, a genus of fossil mosasaurs with only one member, Jormungandr walhallaensis
 * Joermungandr, a genus of fossil tetrapods with only one member, Joermungandr bolti
 * Jormungand (manga), a manga series