Surname Gyllén (Gyllén 
) , around the globe, is a very rare cognomen. The last name Gyllén is habitual in Northern Europe, particularly Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gyllén | Sweden |
| jenny gyllén researcher (ORCID 0000-0002-6003-3352) |
|