Last name Хх-Ум (Хх-Ум 
) , worldwide, is a very rare surname. The last name Хх-Ум is habitual in Western Asia, particularly Armenia, where it is quite a rare surname. Very seldom, Хх-Ум is the forename as well as the last name. Parts of the name also exists independently as a first name Хх, and a last name Ум.
| VARIANT | COUNTRY |
|---|---|
| Хх-Ум | Armenia |