All around the world, 阿因 (Arrin 
, 阿因) is a rare gender-neutral first name. The forename 阿因 is characteristic of Australia, where it is a very rare male name, Indonesia, where it is a very rare feminine name, and the United States, where it is a very rare unisex name. Measured by absolute frequency, it most frequently occurs in the United States, Indonesia, and Philippines. Much less frequently, 阿因 is the last name as well as the forename.