Throughout the world, Kusen (Kusen 
, Кусень 
, كوسين) is quite a rare principally boy's, but very infrequently female forename. The first name Kusen is habitual in Indonesia, where it is a rare predominantly masculine, but very seldom girly name, Philippines, where it is a very rare boy's name, and India, where it is a very rare dominantly boy's, but uncommonly girly name. More frequently, Kusen is the last name as well as the forename.