In all the world, קוסטין (Costin 
, קוסטין 
) is quite a common predominantly masculine, but very seldom girly first name. The given name קוסטין is habitual in Romania, where it is quite a common predominantly masculine, but scarcely feminine name, Moldova, where it is quite a rare boy's name, and the Democratic Republic of the Congo, where it is a rare male name. Not in comparison with a country's population, it is the most numerous in Romania, the Democratic Republic of the Congo, and Italy. Also, קוסטין is the last name as well as the forename.