Family name Kayacan (Kayacan 
, Каяджан 
) , around the globe, is a common surname. The family name Kayacan is habitual in Turkey, where it is quite a common surname, Austria, where it is a rare surname, and Belgium. In absolute terms, this name is the most popular in Turkey, Germany, and France. Much less frequently, Kayacan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kayacan | Germany, France, United States, Belgium, Turkey |
| Каяджан | Ukraine, Russia |
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hamit hüsnü kayacan Turkish intellectual and sports executive, TR (b. 1868) |
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fuat hüsnü kayacan Turkish association football player (1879-1963), TR (b. 1879) |
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| kemal kayacan Turkish admiral (1915-1992), TR (b. 1915) |
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kayacan erdoğan Turkish footballer, TR (b. 1988) |
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| celal kayacan TR (b. 1929) |
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| müfit kayacan Turkish actor, TR (b. 1959) |
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| erkan kayacan researcher |
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| oya kayacan researcher (ORCID 0000-0001-5842-4226) |
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| ramazan kayacan Ph.D. Case Western Reserve University 1997 |
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| erdal kayacan researcher |
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| buse kayacan Turkish volleyball player, TR (b. 1992) |
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