Family name جهم (جهم 
, Cehm) , across the world, is a very rare surname. The surname جهم is habitual in Western Asia, particularly Iraq, where it is a very rare surname, and Yemen.
| VARIANT | COUNTRY |
|---|---|
| جهم | Iraq, Yemen |
| جهم بن صفوان Islamic theologian, UZ (b. 696) |
|