Surname บุญเหล็ง (บุญเหล็ง 
) , all around the world, is a very rare last name. The family name บุญเหล็ง is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, บุญเหล็ง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญเหล็ง | Thailand |