Family name يوليان (Julian 
, Iulian 
, Yulian 
) , all over the world, is a widespread cognomen. The family name يوليان is habitual in Spain, where it is a common surname, Poland, and Romania (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Mexico, Spain, and Poland. Likewise, يوليان is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Julian | Spain, Mexico, Colombia, Poland, Argentina |
| Iulian | Romania, Spain, Colombia, United States, Poland |
| Yulian | Indonesia, Spain, Mexico, Colombia, Argentina |
| يوليان | Iraq, Jordan |