Cognomen ארזה (Arza 
, ארזה 
) , worldwide, is quite a common family name. The family name ארזה is habitual in Paraguay, where it is quite a common surname, Bolivia, where it is quite a rare surname, and Israel. Not in comparison with a country's population, it most frequently occurs in Paraguay, Indonesia, and Argentina. Much less frequently, ארזה is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arza | Paraguay, Argentina, Spain, Bolivia, Indonesia |
| ארזה | Israel |