Cognomen Adeja (Adeja 
) , in the world, is a rare family name. The family name Adeja is characteristic of Nigeria, where it is a rare surname, Philippines, where it is a very rare surname, and Argentina. Much less frequently, Adeja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adeja | Argentina, Philippines, United States, Nigeria, India |