Cognomen Эйвин (Eivin 
, Eyvin 
, Ejvin 
) , all over the world, is a rare last name. The surname Эйвин is habitual in Estonia, where it is quite a rare surname, Latvia, where it is a rare surname, and Nicaragua. Measured by absolute frequency, it is the most numerous in Estonia, Honduras, and Russia. Likewise, Эйвин is the forename as well as the last name.