Family name ارنز (Arnez 
, ارنز 
) , throughout the world, is quite a common surname. The last name ارنز is habitual in Bolivia, where it is quite a common surname, Slovenia, where it is quite a rare surname, and Argentina. Not in comparison with a country's population, it is commonest in Latin America and the Caribbean, particularly Bolivia, Argentina, and Brazil. Very seldom, ارنز is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arnez | Argentina, Bolivia, Brazil, United States, Indonesia |
| ارنز | Palestinian Territory |