Constantine has many usages:

People called Constantine

Rulers called Constantine

• Constantine I (emperor)
• Constantine II (emperor)
• Constantine III (usurper)
• Constantine III (emperor)
• Constantine IV
• Constantine V
• Constantine VI
• Constantine VII
• Constantine VIII
• Constantine IX
• Constantine X
• Constantine XI
• Constantine I of Armenia
• Constantine II of Armenia
• Constantine III of Armenia
• Constantine IV of Armenia
• Constantine V of Armenia
• Constantine VI of Armenia
• Constantine of Dalriada
• Constantine I (or Kuestantinos I) of Ethiopia, also known as Zara Yaqob
• Constantine II (or Kuestantinos II) of Ethiopia
• Constantine I of Greece
• Constantine II of Greece
• Constantine I of Scotland
• Constantine II of Scotland
• Constantine III of Scotland
• Constantine Tikh of Bulgaria

Religious leaders

• Constantine I of Constantinople
• Constantine II of Constantinople
• Constantine III of Constantinople
• Constantine IV of Constantinople
• Constantine V of Constantinople
• Constantine VI of Constantinople
• Pope Constantine
• Antipope Constantine II

Other

• Constantine the African
• Constantine III of Britain

Constantine as a surname

• John Constantine
• Kevin Constantine
• Storm Constantine
• Susannah Constantine
• Tiberius II Constantine

Places called Constantine

• Constantine, Algeria
• Constantine, Cornwall
• Constantine, Michigan
• Constantine Township, Michigan
• Constantine, Switzerland
• Constantine, Andorra

Movie

• Constantine is a movie based on the comic book Hellblazer whose main character is called John Constantine.