Family name Vương Quốc (Vương Quốc 
) , all around the world, is a very rare last name. The cognomen Vương Quốc is habitual in South-eastern Asia, particularly Vietnam, where it is a very rare surname. More frequently, Vương Quốc is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vương Quốc | Vietnam |