Surname โกสน (Koson 
, โกสน ) , across the world, is quite a rare family name. The cognomen โกสน is habitual in Laos, where it is quite a rare surname, Japan, and Poland, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Japan, Thailand, and Poland. Likewise, โกสน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koson | Japan, Laos, United States, Thailand, Poland |
| โกสน | Thailand |