Surname Деветак (Деветак 
) , worldwide, is an extremely rare last name. The cognomen Деветак is characteristic of Eastern Europe, particularly Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Деветак | Ukraine |
| небојша деветак RS (b. 1955) |
|
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| младен деветак association football player, RS (b. 1999) |
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