Cognomen Roesan (Roesan 
) , in the world, is an extremely rare family name. The last name Roesan is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Roesan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roesan | Philippines, United States, South Africa, India |