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.
| VARIANT | COUNTRY |
|---|---|
| Soják | Czechia, Slovakia |
| Сояк | Ukraine, Russia |
| rudolf soják SK (b. 1885) |
|
|
| františek soják CZ (b. 1900) |
|
|
| vladimír soják (b. 1915) |
|
|
| jiří soják Czeck botanist (1936–2012), CZ (b. 1936) |
|
|
| marián soják (b. 1970) |
|
|
| petr soják CZ (b. 1976) |
|