Family name Karimzadegan (Karimzadegan 
) , across the world, is a very rare cognomen. The surname Karimzadegan is habitual in Iran, where it is a very rare surname, Canada, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Iran, Canada, and the United States. Much less frequently, Karimzadegan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karimzadegan | Canada, United States, United Kingdom, Iran |