Last name Konstantinos (Konstantinos 
, Κώστας , Ντίνος , along with others...) , globally, is a widespread cognomen. The surname Konstantinos is habitual in Greece, where it is a prevalent surname, Bhutan, where it is quite a common surname, and Cyprus. Not in comparison with a country's population, it is commonest in Greece, Bulgaria, and North Macedonia. Likewise, Konstantinos is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Konstantinos | Germany, Cyprus, United Kingdom, United States, Greece |
| Κώστας, Ντίνος, Κωνσταντίνος | Greece |
| Константинос | Russia, Ukraine, Bulgaria |
| Костас | Russia, Belarus, Bulgaria, Ukraine, Lithuania |
C-Tin, Constantijn, Constantin, Constantine, Constantino, Constantinus, Constantios, Constantí, Costakis, Costantinos, Costas, Costis, Cottas, Dinos, Konstantin, Konstantinas, Konstantios, Konstantis, Konstanty, Konstantyn, Konstantín, Konstantínos, Kosta, Kostakis, Kostas, Kostiantyn, Kostis, Kostjantyn, Kostyantyn, Kosztasz, Kottas, Kóstas, Kōnstantinos, Ntinos, Takis, Κονσταντινος, Κωνσταντής, Κωνσταντίνοσ, Κωστάκης, Κωστής, Τάκης, Канстанцін, Константи, Константий, Константин, Константино, Константы, Константій, Константінос, Констанций, Коста, Костен, Костя, Костянтин, קונסטנטין, קונסטנטינוס, قسطنطين, كوستاس, كونستانتين, კონსტანტინე, and コスタ
| john konstantinos American football player and coach, college athletics administrator (1936-2013), US (b. 1936) |
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