Last name Киршенбаум (Kirshenbaum 
, Киршенбаум 
) , throughout the world, is a rare surname. The family name Киршенбаум is characteristic of Israel, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Canada. Measured by absolute frequency, it is the most numerous in the United States, Israel, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Kirshenbaum | South Africa, Bulgaria, United States, Canada, Israel |
| Киршенбаум | Russia |