Family name Trebeš (Trebeš 
, Требеш 
) , around the world, is a very rare cognomen. The cognomen Trebeš is habitual in Croatia, where it is a rare surname, Ukraine, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Trebeš | Croatia |
| Требеш | Russia, Ukraine |