Cognomen Fairén (Fairén 
) , all over the world, is an extremely rare last name. The family name Fairén is habitual in Southern Europe, particularly Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fairén | Spain |
| víctor fairén guillén ES (b. 1921) |
|
|
| alberto g. fairén planetary scientist and astrobiologist |
|
|
| alfonso fairén researcher |
|
|
| lydia fairén ES (b. 1989) |
|