Family name กองสิน (กองสิน 
, Kongsin 
) , in all the world, is quite a rare cognomen. The family name กองสิน is habitual in Thailand, where it is quite a rare surname, Laos, and Japan, where it is a very rare surname. Likewise, กองสิน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กองสิน | Thailand |
| Kongsin | Thailand, Malaysia, Laos, United States, Japan |