Family name Kaynar (Каинар 
, Каынар , Kaynar 
) , all around the world, is a common last name. The family name Kaynar is habitual in Turkey, where it is quite a common surname, Israel, where it is a rare surname, and Austria. Not in comparison with a country's population, it most frequently occurs in Turkey, Germany, and France.
| VARIANT | COUNTRY |
|---|---|
| Каинар | Russia, Kazakhstan |
| Каынар | Russia |
| Kaynar | France, Algeria, Germany, Turkey, Austria |
| קינר | Israel |
| reşat kaynar (b. 1910) |
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| leylagul kaynar researcher |
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| ata murat kaynar researcher |
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| sermin çam kaynar researcher (ORCID 0000-0002-3022-4908) |
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| mehmet yasar kaynar researcher |
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| mehmet burak kaynar researcher |
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| ümit h kaynar researcher |
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| bahar kaynar Ph.D. Vrije Universiteit Amsterdam 2012 (b. 1982) |
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| alican kaynar Turkish yacht racer, TR (b. 1988) |
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