Surname ใสกระจ่าง (ใสกระจ่าง, Saikrachang 
) , in the entire world, is a very rare last name. The surname ใสกระจ่าง is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Saikrachang | Thailand |
| กุเทพ ใสกระจ่าง Thai politician (1952-2012), TH (b. 1952) |
|