Across the world, كوستاس (Kostas 
, Costas , Kostis 
, along with others...) is a common male given name. The forename كوستاس is habitual in Cyprus, where it is a common masculine name, Greece, and Lithuania, where it is quite a common masculine name. Measured by absolute frequency, it most frequently occurs in Greece, Cyprus, and the United States. Likewise, كوستاس is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Costas, Kostas | Cyprus, Spain, United States, Argentina, Greece |
| Kostis | Cyprus, United Kingdom, Canada, United States, Greece |
| Costis | Cyprus, Romania, Philippines, United States, Greece |
Constantine, Constantino, Constantinus, Constantios, Costakis, Costantinos, Cottas, Dinos, Konstantinos, Konstantios, Konstantis, Konstantínos, Kostakis, Kosztasz, Kottas, Kwstas, Kóstas, Ntinos, Pelusso, Takis, Κωνσταντής, Κωνσταντίνος, Κωστάκης, Κωστής, Κώστας, Ντίνος, Τάκης, Константий, Константин, Константино, Константинос, Константінос, Констанций, Костас, קונסטנטין, and قسطنطين
كوستاس is also a popular name for the fictitious and mythical characters: Kostas Charitos , the fictional cop character of writer Petros Markaris; Kostis Dimoulias , the theatrical character in the play "Steering wheel in the love", Love's steering wheel; Kostas , the character in the play "Laurels and Oleanders"; Kostas , the theatrical character in the play "Horiste ti gynaika sas" and Kostas , the theatrical character in the play "Seventh Day of Creation", and in many other works.