Last name Lusam (Lusam 
) , across the world, is a very rare cognomen. The last name Lusam is habitual in Malaysia, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and Philippines. Also, Lusam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lusam | Nigeria, Malaysia, Philippines, India, Spain |