In the entire world, Ulin (Ulin 
, Улин 
) is quite a common unisex first name. The given name Ulin is characteristic of Indonesia, where it is quite a rare epicene name, South Africa, where it is a very rare unisex name, and China, where it is a very rare boy's name. Not in comparison with a country's population, the name is most common in Indonesia, China, and India. Likewise, Ulin is the last name as well as the forename.