Surname Ciok (Ciok 
, Циок 
) , worldwide, is quite a rare last name. The cognomen Ciok is characteristic of Poland, where it is quite a rare surname, Denmark, where it is a rare surname, and Belarus. In absolute terms, the name is most common in Poland, Indonesia, and Malaysia. More frequently, Ciok is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ciok | Poland, United Kingdom, United States, Indonesia, Malaysia |
| Циок | Russia, Belarus |
| maria ciok Polish Righteous Among the Nations, PL (b. 1906) |
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| franciszek ciok PL (b. 1903) |
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| zdzisław ciok Polish Righteous Among the Nations, PL (b. 1927) |
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| zbigniew ciok PL (b. 1931) |
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| stanisław ciok Polish geographer, PL (b. 1950) |
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| jason ciok Canadian actor, CA (b. 1982) |
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| jan ciok PL |
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| kamil ciok (b. 1986) |
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