Cognomen โกสีย์ (Kosi 
, โกสีย์ 
) , in the entire world, is quite a common last name. The last name โกสีย์ is characteristic of Slovenia, where it is quite a common surname, Cyprus, where it is quite a rare surname, and Croatia. Measured by absolute frequency, it most frequently occurs in India, Slovenia, and Angola. More prevalently, โกสีย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kosi | Angola, Ghana, Slovenia, India, Myanmar |
| โกสีย์ | Thailand |