Surname Roc (Rok 
, Roc 
, Рок 
) , in the entire world, is a common cognomen. The cognomen Roc is characteristic of Slovenia, where it is quite a common surname, Reunion, and Haiti, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Northern Africa, particularly Algeria, Morocco, and Egypt. Likewise, Roc is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rok | Morocco, Algeria, Myanmar, Poland, Slovenia |
| Roc | Morocco, Algeria, Egypt, Myanmar, Democratic Republic of the Congo |
| Рок | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Роц | Kazakhstan, Armenia, Ukraine, Russia |
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michela roc Italian actress (1941-2013), IT (b. 1941) |
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| patricia roc English actress, GB (b. 1915) |
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agustí roc amador Spanish ski mountaineer and long-distance runner, ES (b. 1971) |
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cut la roc British singer-songwriter, GB (b. 1972) |
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kele le roc British singer, GB (b. 1975) |
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tasneem roc Australian actress, AU (b. 1978) |
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| margaret roc Australian children's writer, AU (b. 1945) |
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| jean-pierre roc-roussey FR (b. 1951) |
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| ste v roc Irish musician (b. 1977) |
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| frederic roc Haitian artist, HT |
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| 30 roc American record producer, US |
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| marta valls roc researcher |
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| françois roc Haitian writer, HT |
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| aline roc researcher |
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| jacques roc Haitian artist, HT |
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