Family name يازي (يازي 
, Yaze 
, Iasi 
) , across the world, is quite a common cognomen. The cognomen يازي is habitual in Romania, where it is quite a common surname, Ethiopia, where it is quite a rare surname, and Italy, where it is a rare surname. Not in comparison with a country's population, it is commonest in Romania, Ethiopia, and Japan. More prevalently, يازي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| يازي | Syria, Iraq, Jordan, Saudi Arabia |
| Yaze | Japan, Turkey, China, Ethiopia, South Africa |
| Iasi | Indonesia, Romania, Italy, Argentina, Brazil |