Pelagius (disambiguation)

Pelagius (c. 360 to 435) was a British monk whose theology is known as Pelagianism.

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Pelagius may also refer to:

• Pelagius of Constance (c. 270–c. 283), Hungarian child martyr
• Pope Pelagius I (died 561), reigned 556–561
• Pope Pelagius II (died 590), reigned 579–590
• Pelagius of Asturias (c. 685–737), first king of Asturias
• Pelagius the Hermit (fl. 9th century), Spanish hermit
• Pelagius of Cordova (c. 912–c. 926), Galician Christian child-martyr
• Pelagius (bishop of Lugo) (died 1000)
• Pelagius of Oviedo (died 1153, Spanish bishop of Oviedo
• Pelagius Galvani (c. 1165–1230), or Pelagio Galvani, Spanish cardinal
• Alvarus Pelagius (c. 1280–1352), Galician canonist