Around the globe, Marius Cosmin (Marius Cosmin 
) is a rare masculine forename. The forename Marius Cosmin is habitual in Romania, where it is quite a rare masculine name, and Afghanistan, where it is a rare boy's name. Very seldom, Marius Cosmin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marius Cosmin | Romania, Afghanistan, Spain |