In the entire world, 克毅 (克毅 
, Keyi 
) is quite a rare mostly boy's, but uncommonly girly forename. The first name 克毅 is habitual in China, where it is a rare dominantly male, but seldom girly name, South Africa, where it is a very rare epicene name, and Tanzania, where it is a very rare masculine name. Measured by absolute frequency, it is the most numerous in China, India, and Nigeria. Likewise, 克毅 is the last name as well as the forename.