Family name Robuan (Robuan 
) , all over the world, is a rare surname. The cognomen Robuan is habitual in Malaysia, where it is a very rare surname, Indonesia, and Venezuela. Not in comparison with a country's population, the name is most common in Indonesia, Malaysia, and Mexico. Very seldom, Robuan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Robuan | Venezuela, Brazil, Mexico, Indonesia, Malaysia |