Cognomen كوسين (Kusen 
, Coussin 
, كوسين) , around the globe, is quite a common surname. The surname كوسين is characteristic of Indonesia, where it is quite a rare surname, France, where it is a rare surname, and Malaysia. Measured by absolute frequency, it most frequently occurs in Indonesia, France, and Turkey. Very seldom, كوسين is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kusen | Indonesia, Japan, India, France, Turkey |
| Coussin | Mexico, Canada, France, Germany, United States |