Surname Chumak (Chumak 
, Чумак 
, شوماك) , throughout the world, is a common cognomen. The cognomen Chumak is habitual in Eastern Europe, particularly Ukraine, where it is quite a common surname, Belarus, and Russia, where it is quite a rare surname.
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| Chumak | Russia, Belarus, Moldova, United States, Ukraine |
| Чумак | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| fedora chumak Ukrainian Righteous Among the Nations, UA (b. 1918) |
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| pavel chumak Ukrainian Righteous Among the Nations, UA (b. 1923) |
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nataliya chumak Esperantist, BE (b. 1975) |
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nestor chumak Canadian bassist, member of PUP, CA |
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| robert chumak (b. 1927) |
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| stanislav chumak researcher |
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| oleksandr chumak researcher (ORCID 0000-0002-6268-3746) |
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| anatoliy a. chumak researcher |
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| oleksandr chumak 1980 - 2001, Gender: Male, Real name: Oleksandr Chumak, Country of origin: Ukraine , Associated acts: Lunar Onlooker, Zoofagus, Fausttophel, UA (b. 1980) |
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| andrii v chumak researcher ORCID ID = 0000-0001-5515-0848 |
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| valeriya chumak volleyball player (b. 1994) |
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| irina chumak volleyball player (b. 1994) |
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| ekaterina chumak Ukrainian association football player, UA |
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