Cognomen Karaağaç (Karaağaç 
) , in the entire world, is a common family name. The family name Karaağaç is habitual in Turkey, where it is quite a common surname, and China, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Karaağaç | United Kingdom, China, Germany, Turkey, United States |
| mustafa feyzi karaağaç Turkish politician, TR (b. 1880) |
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| ahmed mükerrem karaağaç Turkish politician, TR (b. 1883) |
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günay karaağaç Turkish linguist, TR (b. 1949) |
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| adil karaağaç Turkish pharmacist (1923-2016), TR (b. 1923) |
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| aysu türkmen karaağaç researcher (ORCID 0000-0002-7213-8709) |
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| mustafa karaağaç researcher |
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