Surname Abuncio (Abuncio 
) , around the globe, is a very rare family name. The last name Abuncio is characteristic of Philippines, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Much less frequently, Abuncio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Abuncio | Philippines, Mexico |