1. See also

Constantine III may refer to:

• Constantine III (Western Roman Emperor), self-proclaimed western Roman Emperor 407–411
• Constantine III (Byzantine emperor), Byzantine Emperor in 641
• Constantine III of Abkhazia, king of Abkhazia in 898/99–916/17
• Constantine III of Scotland, king of Scotland 995–997
• Patriarch Constantine III of Constantinople (ruled 1059–1063)
• Constantine III of Armenia (ruled 1298–1299)
• Constantine III of Cilicia, Catholicos of the Holy See of Cilicia in 1323–1326

See also

• Constantius III

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