In the world, آیین (Ayin 
, آیین) is quite a rare epicene first name. The forename آیین is characteristic of Israel, where it is quite a rare unisex name, the Democratic Republic of the Congo, where it is a rare female name, and Indonesia, where it is a rare unisex name. In absolute terms, the name is most common in Indonesia, the Democratic Republic of the Congo, and Ethiopia. Also, آیین is the last name as well as the forename.