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Last name Konstantinus (Constantinus
, Konstantinus
, Константинус
) , throughout the world, is a rare surname. The cognomen Konstantinus is habitual in Bulgaria, where it is a rare surname, Indonesia, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, it is the most numerous in Indonesia, Russia, and Bulgaria. More prevalently, Konstantinus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Constantinus | Indonesia, South Africa, Belgium, Germany, Netherlands |
| Konstantinus | India, Malaysia, Indonesia, South Africa, Bulgaria |
| Константинус | Russia, Kazakhstan |
Constantí, Constantín, Κωνσταντίνος, Канстанцін, Константин, Костянтин, קונסטנטינוס, قسطنطين, and კონსტანტინე