Last name Guiyen (Guiyen 
) , all around the world, is a rare surname. The family name Guiyen is characteristic of Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare surname, Nicaragua, where it is a very rare surname, and Argentina. Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly the Dominican Republic, Mexico, and Argentina. Very seldom, Guiyen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guiyen | Mexico, Nicaragua, Argentina, Dominican Republic, Colombia |