Cognomen Cortjaens (Cortjaens 
) , around the world, is a very rare surname. The cognomen Cortjaens is characteristic of Western Europe, particularly Netherlands, where it is a rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Cortjaens | Netherlands, Germany |
| wolfgang cortjaens (b. 1966) |
|