All around the world, Riawan (Riawan 
) is a rare mostly masculine, but infrequently girly first name. The forename Riawan is habitual in Indonesia, where it is a rare dominantly masculine, but infrequently girly name, Pakistan, where it is a very rare boy's name, and Nigeria, where it is an extremely rare male name. More frequently, Riawan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Riawan | India, Nigeria, Malaysia, Indonesia, Pakistan |