Family name Rossam (Rossam 
) , in all the world, is a very rare cognomen. The cognomen Rossam is habitual in South Africa, where it is a very rare surname, Malaysia, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in South Africa, Malaysia, and the United Kingdom. Very seldom, Rossam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rossam | Philippines, South Africa, India, Malaysia, Colombia |