Cognomen Brenc (Brenc 
) , globally, is a rare family name. The last name Brenc is habitual in Croatia, where it is quite a rare surname, Egypt, where it is a very rare surname, and Switzerland. Not in comparison with a country's population, the name is most common in Egypt, Croatia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Brenc | United States, Switzerland, Egypt, Croatia |