Around the world, Iulian Marius (Iulian Marius 
) is a rare boy's forename. The first name Iulian Marius is characteristic of Eastern Europe, particularly Romania, where it is quite a rare male name. Much less frequently, Iulian Marius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Iulian Marius | Romania, Germany, United Kingdom |