Last name Guiesi (Guiesi 
) , around the globe, is a very rare surname. The family name Guiesi is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Brazil. Also, Guiesi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guiesi | Mexico, Honduras, Brazil, Peru |