Family name Stoeylen (Stoeylen 
) , in the entire world, is a rare surname. The cognomen Stoeylen is habitual in Norway, where it is quite a rare surname, Latvia, where it is a rare surname, and Costa Rica, where it is a very rare surname. Much less frequently, Stoeylen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Stoeylen | Costa Rica, Norway, Latvia |
Mr, Ms, and Hallbjoerg