Family name Guk (菊 
, 鞠 , Guk 
, along with others...) , globally, is a widespread last name. The last name Guk is habitual in Ukraine, where it is quite a common surname, China, and Belarus. In absolute terms, it is commonest in China, Ukraine, and South Korea. Also, Guk is the forename as well as the last name.
| VARIANT | COUNTRY |
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| 鞠, 菊 | China |
| Guk | South Korea, Indonesia, Russia, Belarus, China |
| 국 | South Korea |
| Гук | Ukraine, Kazakhstan, Russia, Belarus, Kyrgyzstan |
| igor guk PL (b. 1952) |
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| ilja guk chess player (b. 1964) |
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| sergey guk researcher (b. 1979) |
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| sergei guk Russian footballer, RU (b. 1979) |
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| d a guk researcher (ORCID 0000-0002-5674-8654) |
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| guk myung choi researcher |
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| guk yeo lee researcher |
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| guk hyun jeong researcher |
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| guk jin jeong researcher |
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| hyung seok guk researcher (ORCID 0000-0003-2839-012X) |
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| guk haeng lee researcher (ORCID 0000-0003-4766-9556) |
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| jon sung guk politician in North Korea, KP |
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