Surname Constantijn (Constantijn 
, قسطنطين 
) , in all the world, is a very rare family name. The family name Constantijn is characteristic of Syria, where it is a rare surname, and Netherlands, where it is a very rare surname. More frequently, Constantijn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Constantijn | Germany, Indonesia, Belgium, United States, Netherlands |
| قسطنطين | Egypt, Syria, Palestinian Territory, Iraq |
C-Tin, Constantin, Constantine, Constantino, Constantinus, Constantyn, Constantí, Costantino, Costantinos, Costas, Konstantin, Konstantinas, Konstantinos, Konstanty, Konstantyn, Konstantín, Konstantínos, Konštantín, Kosta, Kostas, Kostiantyn, Kostjantyn, Kostyantyn, Κωνσταντίνος, Κώστας, Ντίνος, Канстанцін, Константи, Константин, Константино, Константинос, Константы, Константій, Константінос, Коста, Костантино, Костен, Костя, Костянтин, Цонстантийн, קונסטנטין, كونستانتين, კონსტანტინე, and コスタ
Van, Tsiris, Huijnen, Huigen, Viezee, Wezeveld, Sanders, Stevens, Lampaert, Labordus, Lissone, Tilanus, Niekerk, Hahndiek, Huygens, Wassink, Wiersma, Xenakis, Makkinga, Cheretis, Rijckaert, Verdoorn, Jonker, Kuiper, Koeman, Burght, Meer, Seys, Coes, Blom, Poel, Rens, Supit, Smith, Slegt, Crans, Pietersen, Korte, Duijn, Geest, Vires, Simons, Simbar, Serkei, Souren, Schaap, Crijnen, Bakker, Panis, and Pletinckx