Cognomen Guetsi (Guetsi 
) , around the world, is an extremely rare surname. The surname Guetsi is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Also, Guetsi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guetsi | Venezuela, Nicaragua |