Surname Duño (Duño 
) , all around the world, is a very rare family name. The cognomen Duño is characteristic of Spain, where it is a rare surname, Argentina, where it is a very rare surname, and Philippines. Likewise, Duño is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duño | Venezuela, Philippines, Spain, Argentina |