Family name Yual (Yual 
) , all around the world, is a rare surname. The surname Yual is habitual in Sudan, where it is a rare surname, Australia, where it is a very rare surname, and Indonesia. Much less frequently, Yual is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yual | China, Indonesia, Sudan, Australia, Spain |
| john juyol yual South Sudanese politician |
|