Surname ລະງ (ລະງ 
) , throughout the world, is a rare cognomen. The surname ລະງ is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. Very seldom, ລະງ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ລະງ | Laos |