Surname Ung-Aryawong (Ung-Aryawong 
) , worldwide, is an extremely rare last name. The family name Ung-Aryawong is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Ung.
| VARIANT | COUNTRY |
|---|---|
| Ung-Aryawong | United States |