Last name Roger Guillermo (Roger Guillermo 
) , in the entire world, is an extremely rare surname. The last name Roger Guillermo is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Much more prevalently, Roger Guillermo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roger Guillermo | Argentina, Chile, Peru, Ecuador, Costa Rica |