Surname Mellnäs (Mellnäs 
) , across the world, is a very rare family name. The last name Mellnäs is characteristic of Northern Europe, particularly Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mellnäs | Sweden |
| arne otto birger mellnäs Swedish conductor, composer and musicologist (1933-2002), SE (b. 1933) |
|