Last name Soják (Soják 
, Сояк 
) , in all the world, is a rare surname. The surname Soják is habitual in Eastern Europe, particularly Slovakia, where it is a rare surname, Czechia, and Ukraine, where it is a very rare surname.
| rudolf soják SK (b. 1885) |
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| františek soják CZ (b. 1900) |
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| vladimír soják (b. 1915) |
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| jiří soják Czeck botanist (1936–2012), CZ (b. 1936) |
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| marián soják (b. 1970) |
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| petr soják CZ (b. 1976) |
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