Cognomen Maerlyn (Maerlyn 
) , in the world, is an extremely rare family name. The family name Maerlyn is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. More prevalently, Maerlyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maerlyn | United States, Venezuela, Philippines |