Cognomen اراش (Arash 
, Aarash 
, اراش ) , in all the world, is quite a rare surname. The family name اراش is characteristic of Afghanistan, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Iran. Measured by absolute frequency, it is commonest in Southern Asia, particularly Afghanistan, Iran, and India. More prevalently, اراش is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arash | Sweden, United Arab Emirates, Afghanistan, Iran, United States |
| Aarash | United Kingdom, Canada, India, Iran, United States |
| اراش | Iran |