Cognomen جهاز (جهاز 
, Jhaz 
) , in all the world, is a very rare last name. The surname جهاز is habitual in Sudan, where it is a rare surname, Philippines, where it is an extremely rare surname, and India. More frequently, جهاز is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| جهاز | Egypt, Yemen, Sudan, Iraq, Algeria |
| Jhaz | Kuwait, Philippines, Saudi Arabia, India, United Arab Emirates |