Surname Guiamo (Guiamo 
) , in the entire world, is a very rare family name. The surname Guiamo is habitual in Netherlands, where it is a rare surname, and Philippines, where it is a very rare surname. Very seldom, Guiamo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guiamo | Spain, Netherlands, Philippines |