Saint Constantine may refer to:
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Constantine I
Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...
(c. 272 – 337), Roman Emperor and a convert to Christianity
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Constantine of Dumnonia
Constantine (, , fl. 520–523) was a 6th-century king of Dumnonia in sub-Roman Britain, who was remembered in later British tradition as a legendary King of Britain. The only contemporary information about him comes from Gildas, who castigate ...
(6th century), King of Cornwall
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Constantine of Strathclyde
Constantine was reputedly the son and successor of King Riderch Hael of Alt Clut, the Brittonic kingdom later known as Strathclyde. (The modern English name of Alt Clut is Dumbarton Rock.) He appears only in the '' Life of St. Kentigern'' by ...
(6th century), probably fictitious King of Strathclyde
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Constantine (British saint)
Saint Constantine is the name of one or many British (historic), British or Picts, Pictish saints.
Identification
;South-west Britain
A Saint Constantine is revered in Devon and Cornwall. Based purely on similarity of a common name, some have ...
, various figures of this name
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Constantine the Jew
Constantine the Jew ( – 26 December, after 886) was a Byzantine Christian monk and evangelist venerated as a saint within his monastic milieu and in Constantinople.
Born to a Jewish family in Synada, Constantine excelled at Hebrew and the Old ...
(fl. c.850–886), Byzantine monk
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Constantine XI
Constantine XI Dragases Palaiologos or Dragaš Palaeologus (; 8 February 140429 May 1453) was the last reigning Byzantine emperor from 23 January 1449 until his death in battle at the fall of Constantinople on 29 May 1453. Constantine's death ...
, last Byzantine emperor, unofficial Catholic Saint
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St Cyril, born Constantine, Christian theologian from Thessalonica and Christian missionary among the Slavs with his brother Methodius
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