Surname Marčok (Marčok 
) , worldwide, is a very rare cognomen. The family name Marčok is characteristic of Serbia, where it is a rare surname, Slovakia, and Croatia.
| milan marčok Slovak politician, SK (b. 1939) |
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| viliam marčok SK (b. 1935) |
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| pavel marčok politician in Serbia (b. 1968) |
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