Surname Грицак (Hrycak 
, Грицак 
, Hrytsak 
, among others...) , in the world, is quite a common last name. The family name Грицак is characteristic of Ukraine, where it is quite a rare surname, Belarus, and Estonia, where it is a rare surname. Not in comparison with a country's population, the name is most common in Ukraine, Russia, and Canada. Much less frequently, Грицак is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Hrycak | Poland, Canada, Argentina, Germany, United States |
| Грицак | Ukraine, Belarus, Russia, Kyrgyzstan, Kazakhstan |
| Hrytsak | Canada, France, Italy, Germany, United States |
| Gricak | Ukraine, Lithuania |
| Gritsak | Canada, Russia, France, Italy, United States |
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грицак, евгений михайлович UA (b. 1890) |
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ярослав иосифович грицак Ukrainian historian, UA (b. 1960) |
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| грицак осип теодорович UA (b. 1905) |
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грицак, василий сергеевич Head of the Service, UA (b. 1967) |
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| грицак микола андрійович UA (b. 1908) |
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грицак, орест игоревич Ukrainian chess player, UA (b. 1973) |
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| грицак, николай иванович RU (b. 1920) |
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грицак павел илькович UA (b. 1980) |
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| грицак володимир семенович Ukrainian actor, UA (b. 1946) |
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| грицак іван юрійович Ukrainian diplomat, UA (b. 1949) |
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грицак андрій олексійович UA (b. 1992) |
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| грицак, василий николаевич Ukrainian politician, UA (b. 1961) |
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| лев грицак UA (b. 1952) |
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| виталий николаевич грицак Ukrainian politician and official, UA (b. 1964) |
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| грицак віталія борисівна UA (b. 1999) |
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Ян, Люба, Люся, Олег, Илья, Иван, Емма, Рита, Яків, Ілля, Іван, Інна, Ігор, Юлия, Юлія, Юзеф, Юрий, Юрко, Юрій, Мария, Марко, Марта, Ліна, Леся, Зіра, Віра, Аня, Зоя, Лев, Ева, Яна, Іза, Єва, Кіра, Макс, Міша, Марія, Алла, Гнат, Петр, Діма, Неля, Нина, Ніна, Ніла, Вера, Вова, Віта, Анна, and Мирон