Last name Gerok (جيروك 
, Gerok 
, Герок 
) , throughout the world, is a rare cognomen. The cognomen Gerok is habitual in Kazakhstan, where it is a rare surname, Germany, and Malaysia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Kazakhstan, Germany, and Russia. Very seldom, Gerok is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| جيروك | Iraq |
| Gerok | Germany, France, Russia, Malaysia, China |
| Герок | Kazakhstan, Russia, Kyrgyzstan, Ukraine |
| johann siegfried gerok (b. 1724) |
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karl gerok German theologian, DE (b. 1815) |
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| friedrich von gerok German writer, DE (b. 1786) |
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friedrich von gerok officer of Württemberg, general of the infantry of the XXIV Reserve Corps during World War I, DE (b. 1854) |
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| charlotte gerok DE (b. 1794) |
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| gustav gerok (b. 1845) |
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| otto gerok DE (b. 1879) |
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| karl ludwig gerok organist and composer, DE (b. 1906) |
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| wolfgang gerok German physician and internist (1926-2021), DE (b. 1926) |
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| charlotte gerok DE (b. 1925) |
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| dmitrij gerok researcher ORCID ID = 0000-0003-4358-4598 |
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