Surname איינר (Einar 
, Ejnar 
, איינר 
) , all over the world, is quite a rare cognomen. The last name איינר is habitual in Iceland, where it is quite a rare surname, Norway, and Georgia. Measured by absolute frequency, this name is the most popular in Mexico, Malaysia, and Norway. More prevalently, איינר is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Einar | Sweden, Norway, Iceland, Bolivia, United States |
| Ejnar | Germany, Sweden, Norway, United States, Denmark |
| איינר | Israel |