Cognomen Aalderik (Adal 
, Aalderik 
) , throughout the world, is a common family name. The last name Aalderik is characteristic of Egypt, where it is quite a rare surname, Algeria, and Turkey. In absolute terms, this name is the most popular in Egypt, Turkey, and Ethiopia. Likewise, Aalderik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adal | Egypt, Turkey, India, Ethiopia, Algeria |
| Aalderik | Netherlands, France |