Surname Marius Cosmin (Marius Cosmin 
) , around the globe, is a very rare cognomen. The family name Marius Cosmin is habitual in Eastern Europe, particularly Romania, where it is a rare surname. More frequently, Marius Cosmin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marius Cosmin | Romania, Afghanistan, Spain |