Family name Karakulak (Karakulak 
) , all around the world, is quite a common cognomen. The last name Karakulak is characteristic of Turkey, where it is quite a rare surname, Switzerland, where it is a rare surname, and Netherlands. In absolute terms, this name is the most popular in Turkey, Germany, and Netherlands.
| VARIANT | COUNTRY |
|---|---|
| Karakulak | Turkey, Germany, Switzerland, France, Netherlands |
| f. saadet karakulak researcher, TR |
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| seyhan karakulak Ph.D. University of California, San Diego 2010 |
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| tülay karakulak researcher |
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| uğur nadir karakulak researcher (ORCID 0000-0001-9146-8765) |
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