Family name Ailuj (Ailuj 
) , all around the world, is a very rare cognomen. The cognomen Ailuj is characteristic of Latin America and the Caribbean, particularly Mexico, where it is an extremely rare surname, and Venezuela. Likewise, Ailuj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ailuj | Germany, Mexico, Venezuela, United States, Philippines |