Cognomen Roylam (Roylam 
) , across the world, is an extremely rare surname. The cognomen Roylam is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. More prevalently, Roylam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roylam | Nicaragua, Costa Rica, Philippines, India, Venezuela |