Family name Duñas (Duñas 
) , all around the world, is a very rare last name. The family name Duñas is habitual in Colombia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Likewise, Duñas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duñas | Philippines, Spain, Colombia |