Family name Oestlyngen (Oestlyngen 
) , all around the world, is a rare cognomen. The surname Oestlyngen is characteristic of Northern Europe, particularly Norway, where it is quite a rare surname. Much less frequently, Oestlyngen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oestlyngen | Norway |