Globally, 克岩 (Keyan 
, 克岩 ) is quite a rare largely male, but uncommonly feminine forename. The first name 克岩 is characteristic of Iraq, where it is a rare gender-neutral name, China, where it is a rare principally masculine, but very infrequently girly name, and Australia, where it is a very rare male name. In absolute terms, it is commonest in China, India, and the United States. Likewise, 克岩 is the last name as well as the forename.