Cognomen شیرین (Shirin 
, Chirine 
, Şirin 
) , throughout the world, is a common last name. The last name شیرین is habitual in Azerbaijan, where it is quite a common surname, Bangladesh, where it is quite a rare surname, and Georgia. Not in comparison with a country's population, the name is most common in Bangladesh, India, and Turkey. More frequently, شیرین is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shirin | Iran, Azerbaijan, Bangladesh, India, Turkey |
| Chirine | Lebanon, United Arab Emirates, Algeria, Tunisia, United States |
| Şirin | Azerbaijan, Iraq, United States, Turkey, Germany |
| شیرین | Iran, Afghanistan, Saudi Arabia, Iraq, Turkey |