Family name Lueangthongkham (Lueangthongkham 
) , in the entire world, is a very rare last name. The last name Lueangthongkham is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lueangthongkham | Thailand |
Pornthip, and Eakkaphong