Cognomen Inpanngam (Inpanngam 
) , around the world, is a very rare last name. The cognomen Inpanngam is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Inpanngam | Thailand |
Laksunee, Nareuset, and Phattaraporn