Family name เลิน (Lhen 
, Loen 
, เลิน 
) , across the world, is quite a rare cognomen. The cognomen เลิน is habitual in Norway, where it is quite a rare surname, Netherlands, and Indonesia, where it is a rare surname. Not in comparison with a country's population, it is commonest in Indonesia, Norway, and the United States. Likewise, เลิน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lhen | Saudi Arabia, United Arab Emirates, Malaysia, Philippines, United States |
| Loen | Indonesia, Norway, Philippines, United States, Netherlands |
| เลิน | Thailand |