Cognomen Ornäs (Ornäs 
) , worldwide, is a very rare surname. The family name Ornäs is habitual in Northern Europe, particularly Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ornäs | Sweden |
| carl gustaf hiort af ornäs SE (b. 1845) |
|
|
| karin olofsdotter i ornäs |
|