Last name โกซิน (Kosin 
, โกซิน ) , in the world, is quite a rare cognomen. The surname โกซิน is habitual in Slovenia, where it is quite a rare surname, Slovakia, and North Macedonia, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Nigeria. Likewise, โกซิน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kosin | Germany, Nigeria, Thailand, United States, Poland |
| โกซิน | Thailand |