Cognomen อิ่มแสงรัตน์ (อิ่มแสงรัตน์, Imsangrat 
) , all over the world, is an extremely rare family name. The cognomen อิ่มแสงรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Imsangrat | Thailand |