Surname Silvaña (Silvaña 
) , globally, is an extremely rare family name. The cognomen Silvaña is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, Honduras, and Venezuela, where it is an extremely rare surname. Likewise, Silvaña is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silvaña | Honduras, Spain, Venezuela, Ecuador |