Cognomen شاهناز (Shahnaz 
, شاهناز 
, Chahnaz 
) , throughout the world, is a common surname. The cognomen شاهناز is characteristic of Azerbaijan, where it is quite a common surname, Bangladesh, where it is quite a rare surname, and Bahrain. Not in comparison with a country's population, the name is most common in Southern Asia, particularly India, Bangladesh, and Pakistan. More prevalently, شاهناز is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shahnaz | Indonesia, Azerbaijan, India, Bangladesh, Pakistan |
| شاهناز | Jordan, Iraq, Iran, Egypt, Sudan |
| Chahnaz | Syria, United Kingdom, Lebanon, India, United States |