All over the world, 恺欣 (Kai Xin 
, 恺欣 ) is a rare dominantly feminine, but uncommonly masculine given name. The given name 恺欣 is characteristic of Singapore, where it is a rare mostly girly, but infrequently boy's name, Malaysia, and China, where it is a very rare largely feminine, but seldom masculine name. Very seldom, 恺欣 is the last name as well as the forename.