Family name อเลน (Alain 
, Alen 
, อเลน 
) , in the entire world, is a common cognomen. The surname อเลน is habitual in Cameroon, where it is quite a common surname, Gabon, and United Arab Emirates (explore the name in all countries). Not in comparison with a country's population, the name is most common in Cameroon, France, and Ivory Coast. More prevalently, อเลน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alain | Democratic Republic of the Congo, France, Cameroon, Ivory Coast, Canada |
| Alen | Belgium, Democratic Republic of the Congo, France, Canada, Croatia |
| อเลน | Thailand |