Last name בירנבך (בירנבך 
) , across the world, is an extremely rare cognomen. The cognomen בירנבך is characteristic of Western Asia, particularly Israel, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| בירנבך | Israel |
|
סמי בירנבך Israeli musician, IL (b. 1948) |
|