Surname ลอยจันทร์แจ่ม (ลอยจันทร์แจ่ม, Loichanchaem 
) , around the globe, is a very rare last name. The surname ลอยจันทร์แจ่ม is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Loichanchaem | Thailand |