Cognomen Lyenn (Lyenn 
) , in the world, is an extremely rare last name. The cognomen Lyenn is characteristic of Malaysia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Also, Lyenn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lyenn | Philippines, Malaysia, United States, Singapore |