Cognomen Alieni (Alieni 
) , around the world, is a very rare family name. The cognomen Alieni is characteristic of Argentina, where it is a very rare surname, Italy, and China, where it is an extremely rare surname. Likewise, Alieni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alieni | Argentina, Italy, Brazil, United States, China |