Cognomen Rudwan (Rudwan 
) , around the world, is quite a rare last name. The cognomen Rudwan is characteristic of Sudan, where it is quite a rare surname, Qatar, where it is a rare surname, and United Arab Emirates. Not in comparison with a country's population, it is commonest in Sudan, Ethiopia, and Nigeria. Likewise, Rudwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rudwan | Sudan, Syria, Ethiopia, Nigeria, Saudi Arabia |