Last name فرين (Fren 
, فرين 
, Frain 
) , around the world, is quite a common surname. The family name فرين is habitual in Lebanon, where it is quite a rare surname, Ireland, and Israel. Not in comparison with a country's population, it is the most numerous in the United States, Indonesia, and the United Kingdom. Also, فرين is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fren | Indonesia, United Kingdom, Lebanon, France, United States |
| فرين | Palestinian Territory, Morocco, Iraq, Iran, Sudan |
| Frain | United Kingdom, Ireland, Australia, France, United States |
| Frenn | Democratic Republic of the Congo, Lebanon, Canada, United States, Czechia |