Constantine I (disambiguation)

Constantine I designated the following persons:

• Constantine the Great ( 272-285 *, † 337 ), Roman emperor
• Constantine I ( Patriarch ), Patriarch of Constantinople Opel
• Constantine I ( Pope ) ( † 715), Pope
• Constantine I (Scotland ) ( 836-877 ), Scottish King
• Constantine I (Armenia ), Armenian prince
• Constantine I (West Georgia), west Georgian Kingdom
• Constantine I, throne name of Zara Yaqob (1399-1468), Emperor of Ethiopia
• Constantine I (Georgia), Georgian King
• Constantine I ( Kakheti ), kachetischer King
• Constantine I (Greece) ( 1868-1923 ), Greek King

• Disambiguation