Family name Aucahuasi (Aucahuasi 
) , all over the world, is a rare cognomen. The last name Aucahuasi is characteristic of Peru, where it is a rare surname, Spain, where it is an extremely rare surname, and the United States. Much less frequently, Aucahuasi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aucahuasi | Brazil, Peru, United States, Spain |