Cognomen แกมสาร (แกมสาร 
) , in the entire world, is an extremely rare last name. The cognomen แกมสาร is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, แกมสาร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| แกมสาร | Thailand |