Cognomen Lềnh (Lềnh 
) , in the world, is a very rare family name. The last name Lềnh is habitual in South-eastern Asia, particularly Vietnam, where it is a very rare surname. Likewise, Lềnh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lềnh | Vietnam |
| hầu a lềnh Vietnamese politician (b. 1973) |
|