Family name เหล่น (Len 
, เหล่น) , around the world, is a common surname. The last name เหล่น is characteristic of Malaysia, where it is quite a common surname, Macao, where it is quite a rare surname, and Brunei. Measured by absolute frequency, it is the most numerous in South-eastern Asia, particularly Malaysia, Myanmar, and Indonesia. Also, เหล่น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Len | Malaysia, Indonesia, Canada, United States, Myanmar |