Surname Mehrain (Mehrain 
, Mehraein 
) , globally, is a rare cognomen. The surname Mehrain is characteristic of Norway, where it is a rare surname, Austria, and Iran. Measured by absolute frequency, it most frequently occurs in Iran, France, and the United States. Much less frequently, Mehrain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mehrain | Germany, Canada, France, Sweden, United States |
| Mehraein | Germany, Canada, Iran, France, United States |