Cognomen Поляк (Polak 
, Poljak 
, Poliak , along with others...) , all over the world, is a common family name. The last name Поляк is characteristic of Slovakia, where it is a common surname, Croatia, and Czechia, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, the name is most common in Eastern Europe, particularly Poland, Slovakia, and Czechia. Also, Поляк is the forename as well as the last name.
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| Polak | Slovakia, Czechia, Poland, United States, Croatia |
| Poljak | Hungary, Slovakia, Czechia, United States, Croatia |
| Poliak | Hungary, Slovakia, Czechia, Poland, United States |
| Poleac | Romania, Spain, Italy, United States, United Kingdom |
| Polyak | Germany, Hungary, Slovakia, Czechia, United States |
| Поляк | Ukraine, Kazakhstan, Belarus, Russia, Azerbaijan |
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поляк, борис львович RU (b. 1899) |
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| поляк, анна александровна BY (b. 1890) |
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| поляк, абрам борисович chess player (1902-1996), RU (b. 1902) |
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| поляк семен йосипович UA (b. 1894) |
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| поляк, евсей исаакович Soviet chess player (1908-1970), UA (b. 1908) |
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| лидия моисеевна поляк RU (b. 1899) |
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| поляк, александр михайлович RU (b. 1910) |
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поляк, владислав николаевич Ukrainian entrepreneur and politician, UA (b. 1975) |
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| поляк, мартин семёнович UA (b. 1925) |
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| поляк, борис теодорович mathematician, RU (b. 1935) |
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| поляк, александр исаакович RU (b. 1934) |
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| михаил наумович поляк Soviet and Russian actor (1948-1995), RU (b. 1948) |
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| поляк михайло петрович UA (b. 1941) |
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| поляк, александр владимирович UA (b. 1948) |
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поляк тетяна богданівна UA (b. 1999) |
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По, Анна, Адам, Арик, Арон, Паша, Петр, Пётр, Дар'Я, Дима, Діна, Дюло, Наум, Нина, Ніна, Вера, Вова, Віта, Віра, Зоня, Зіна, Леон, Альф, Леся, Алла, Мара, Ян, Мая, Аня, Ада, Ася, Зоя, Лев, Лея, Лія, Еля, Ева, Тая, Хая, Яна, Юра, Єва, Катя, Кіра, Маня, Майя, Марк, Маша, and Лиза