Family name Mrejeru (Mrejeru 
) , in the world, is a rare cognomen. The cognomen Mrejeru is habitual in Romania, where it is quite a rare surname, Italy, where it is a very rare surname, and France, where it is an extremely rare surname. Very seldom, Mrejeru is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mrejeru | Romania, Italy, United States, France |