Family name Оздаг (Оздаг 
, Ozdag 
) , globally, is a rare cognomen. The family name Оздаг is habitual in Turkey, where it is a rare surname, Switzerland, and France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Оздаг | Russia, Ukraine |
| Ozdag | Turkey, United Kingdom, Switzerland, United States, France |