Cognomen Arwam (Arwam 
) , worldwide, is a rare family name. The last name Arwam is characteristic of Indonesia, where it is a very rare surname, and India, where it is an extremely rare surname. Very seldom, Arwam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arwam | India, Indonesia, Brazil |