Family name Aerlyn (Aerlyn 
) , in the world, is an extremely rare surname. The last name Aerlyn is habitual in Venezuela, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, Aerlyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aerlyn | Peru, Canada, Philippines, Venezuela, United States |