Cognomen Arsenio Guillermo (Arsenio Guillermo 
) , across the world, is an extremely rare family name. The family name Arsenio Guillermo is characteristic of Spain, where it is a very rare surname, and Chile. More prevalently, Arsenio Guillermo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arsenio Guillermo | Peru, Ecuador, Chile, Spain |