Constantine I (272-337), Roman Emperor.

Constantine I may also refer to:

• Constantine I of Greece (d. 1923)
• Constantín mac Cináeda (d. 877), also known as Constantine I of Scotland
• Zara Yaqob (1399-1468), Emperor of Ethiopia sometimes known as Constantine I

Nobles on the island of Sardinia

• Constantine I of Arborea, 11th century ruler in Arborea, on the island of Sardinia
• Constantine I of Cagliari, 11th century ruler

Nobles in the Kingdom of Georgia

• Constantine I of Imereti (d. 1327), King of the Imereti in Georgia
• Constantine I of Georgia (1369-1412), King of Georgia
• Constantine I of Kakheti (1567-1605), aka Constantine Khan, King of the Kakheti in Georgia

People in Cilician Armenia

• Constantine I, Prince of Armenia (1035-1040). Second "Lord of the Mountains" of Cilician Armenia.
• Constantine I of Cilicia (fl. 1221-1267), Catholicos of the Armenian Apostolic Church.
• Constantine I, King of Armenia (1278-1310). Also sometimes called Constantine III, King of Cilician Armenia. Son of Leo II, and brother of Hethum II

[edit] See also

• Constantine (disambiguation)

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