Pope Anastasius may refer to:

  • Pope Anastasius I (saint; 399–401)
  • Pope Anastasius II (496–498)
  • Antipope Anastasius III (855)
  • Pope Anastasius III (911–913)
  • Pope Anastasius IV (1153–1154)
  • Pope Anastasius of Alexandria, 605–616