Worldwide, Uain (Wine 
, Wyn , Wain ) is quite a common unisex given name. The given name Uain is habitual in the Democratic Republic of the Congo, where it is quite a rare unisex name, Hong Kong, and Indonesia, where it is a rare epicene name. Measured by absolute frequency, this name is the most popular in Indonesia, the Democratic Republic of the Congo, and the United Kingdom. Also, Uain is the last name as well as the forename.