Surname هوان (Hoan 
, Hwan , هوان 
) , in all the world, is a common last name. The surname هوان is characteristic of Malaysia, where it is quite a common surname, Macao, where it is quite a rare surname, and Vietnam. Not in comparison with a country's population, it most frequently occurs in Vietnam, Malaysia, and South Korea. Likewise, هوان is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hwan, Hoan | China, Vietnam, South Korea, Malaysia, Myanmar |
| هوان | Yemen, Morocco, Palestinian Territory, Iraq |