Family name Koushkbaghi (Koushkbaghi 
) , across the world, is an extremely rare cognomen. The family name Koushkbaghi is characteristic of New Zealand, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Koushkbaghi | Canada, United States, New Zealand |