In all the world, 克夫 (Kefu 
, 克夫 ) is a rare principally boy's, but scarcely female first name. The first name 克夫 is habitual in Tanzania, where it is a rare gender-neutral name, China, where it is a very rare masculine name, and the United States, where it is an extremely rare mostly boy's, but seldom feminine name. In absolute terms, it is the most numerous in China, Tanzania, and India. Very seldom, 克夫 is the last name as well as the forename.