Cognomen Baern (Baern 
, بايرن) , across the world, is an extremely rare family name. The last name Baern is characteristic of Northern America, particularly the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Baern | United States |
| roelof van baern (b. 1455) |
|
|
| joost van baern (b. 1490) |
|