Family name Birok (Birok 
) , in the entire world, is a rare last name. The cognomen Birok is habitual in Morocco, where it is a rare surname, Malaysia, where it is a very rare surname, and Israel. Not in comparison with a country's population, the name is most common in Morocco, Malaysia, and the United Kingdom. Much less frequently, Birok is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Birok | Morocco, United Kingdom, India, Malaysia, Turkey |