Family name Luangkamthorn (Luangkamthorn 
) , worldwide, is a rare last name. The cognomen Luangkamthorn is habitual in Thailand, where it is a rare surname, Philippines, where it is an extremely rare surname, and the United States. Much less frequently, Luangkamthorn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Luangkamthorn | China, United States, Thailand, Philippines |