Across the world, Густин (Gustin 
, Gustyn 
, Густин 
) is quite a rare epicene first name. The forename Густин is characteristic of the Democratic Republic of the Congo, where it is a rare boy's name, Indonesia, where it is a rare epicene name, and Bulgaria, where it is a rare male name. Not in comparison with a country's population, this name is the most popular in Indonesia, the Democratic Republic of the Congo, and the United States. More frequently, Густин is the last name as well as the forename.