Family name หล่อเจริญกุล (หล่อเจริญกุล, Lorjaroenkul 
) , in the world, is an extremely rare surname. The surname หล่อเจริญกุล is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lorjaroenkul | Thailand |