Cognomen Juanacio (Juanacio 
) , globally, is a very rare family name. The surname Juanacio is characteristic of Spain, where it is a very rare surname, Ecuador, and the United States, where it is an extremely rare surname. Very seldom, Juanacio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Juanacio | United States, Ecuador, Spain |