In the world, Erii (Erii 
, Эрий 
) is a rare epicene first name. The first name Erii is habitual in Uruguay, where it is quite a rare largely feminine, but uncommonly masculine name, Albania, where it is quite a rare male name, and Kazakhstan, where it is a rare masculine name. Measured by absolute frequency, the name is most common in Indonesia, Uruguay, and Russia. Very seldom, Erii is the last name as well as the forename.