Surname Chaña (Chaña 
) , in all the world, is a rare last name. The cognomen Chaña is characteristic of Latin America and the Caribbean, particularly Peru, where it is a rare surname, Chile, and Colombia, where it is a very rare surname. Much less frequently, Chaña is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaña | Spain, Chile, Colombia, Argentina, Peru |