Surname קוזיר (Kozyr 
, קוזיר 
) , across the world, is a rare last name. The family name קוזיר is habitual in Belarus, where it is a rare surname, Estonia, and Israel. In absolute terms, this name is the most popular in Russia, Poland, and the United States. Much less frequently, קוזיר is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kozyr | Russia, Italy, Belarus, United States, Poland |
| קוזיר | Israel |