Cognomen Thilén (Thilén 
) , throughout the world, is a very rare family name. The family name Thilén is habitual in Sweden, where it is a rare surname, Finland, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thilén | Finland, United States, Sweden |
| theodor sebastian gustaf thilén (b. 1818) |
|
|
| gösta thilén FI (b. 1893) |
|
|
| frida thilén Finnish association football player, FI (b. 1989) |
|
|
| ulf thilén researcher |
|