Family name Lorreyn (Lorreyn 
) , in the world, is a very rare cognomen. The family name Lorreyn is habitual in Belgium, where it is a rare surname, Venezuela, where it is an extremely rare surname, and Mexico. Very seldom, Lorreyn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lorreyn | Belgium, Spain, Mexico, United States, Venezuela |