Family name Unaucho (Unaucho 
) , around the globe, is a rare last name. The cognomen Unaucho is characteristic of Ecuador, where it is a rare surname, Spain, and the United States, where it is an extremely rare surname. Very seldom, Unaucho is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Unaucho | Spain, United States, Ecuador |