Family name ارلن (Arlen 
, ارلن 
) , in the entire world, is a common last name. The family name ارلن is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a common surname, Honduras, where it is quite a common surname, and Mexico, where it is quite a rare surname. More frequently, ارلن is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arlen | Philippines, Nicaragua, United States, Mexico, Honduras |
| ارلن | Palestinian Territory, Iran |