Throughout the world, Kostas (Kostas 
, Κώστας , Костас 
, and others...) is a common masculine first name. The forename Kostas is habitual in Greece, where it is a common male name, Cyprus, where it is quite a common boy's name, and Lithuania. Measured by absolute frequency, this name is the most popular in Greece, Cyprus, and the United States. Much less frequently, Kostas is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kostas | Germany, Cyprus, United States, Greece, Lithuania |
| Κώστας | Greece |
| Костас | Kazakhstan, Russia, Belarus, Bulgaria, Lithuania |
| קוסטאס | Israel |
C-Tin, Constantijn, Constantin, Constantine, Constantino, Constantinus, Constantios, Constantí, Costakis, Costantinos, Costas, Costis, Cottas, Dinos, Konstantin, Konstantinas, Konstantinos, Konstantios, Konstantis, Konstanty, Konstantyn, Konstantín, Konstantínos, Kosta, Kostakis, Kostaś, Kostiantyn, Kostis, Kostjantyn, Kostyantyn, Kosztasz, Kottas, Koçtaç, Kóstas, Kôtâ, Kōstas, Ntinos, Takis, Κοστας, Κοστασ, Κωνσταντής, Κωνσταντίνος, Κωστάκης, Κωστής, Κωστας, Ντίνος, Τάκης, Канстанцін, Константи, Константий,
Kostas is also a name for the fictitious and mythical characters: Kostas Charitos , the fictional cop character of writer Petros Markaris; Kostas , the character in the play "Laurels and Oleanders"; Kostas , the theatrical character in the play "Horiste ti gynaika sas"; Kostas , the theatrical character in the play "Seventh Day of Creation" and Kostas , the theatrical character in the play "The Engagements", among other works.
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kostas daunora LT (b. 1886) |
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kostas jagutis LT (b. 1896) |
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| kostas jagminas (b. 1868) |
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| kostas stiklius Lithuanian poet, LT (b. 1880) |
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kostas lenkas LT (b. 1927) |
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kostas kaukas LT (b. 1928) |
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| kostas sgoutas Greek architect (b. 1897) |
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| kostas ostrauskas LT (b. 1891) |
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| kostas sabonis LT (b. 1891) |
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| kostas augustas US (b. 1893) |
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| kostas athiridis Righteous Among the Nations, GR (b. 1904) |
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| kostas cibulskas LT (b. 1896) |
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| kostas kanauka (b. 1898) |
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| kostas gurevičius LT (b. 1898) |
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| kostas dambrauskas LT (b. 1899) |
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Pap, Nikolaidis, Karagiannis, Kostopoulos, Petropoulos, Dimitriadis, Theodoridis, Sidiropoulos, Stavropoulos, Antonopoulos, Konstantinou, Papadopoulos, Papanikolaou, Papageorgiou, Giannopoulos, Nikolopoulos, Papadimitriou, Athanasopoulos, Konstantinidis, Giannakopoulos, Anagnostopoulos, Konstantopoulos, Georgiadis, Panagiotopoulos, Dimopoulos, Oikonomou, Kosta, Papas, Markou, Makris, Sarris, Pappas, Petrou, Alexiou, Vlachos, Ioannou, Mavridis, Antoniou, Kostakis, Kritikos, Georgiou, Nikolaou, Papadakis, Dimitriou, Lazaridis, Theodorou, Ioannidis, Antoniadis, and Papakonstantinou