Family name 克炎 (Keyan 
, 克炎 ) , all around the world, is quite a common last name. The last name 克炎 is habitual in Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Oman, and Qatar. In absolute terms, it is the most numerous in India, United Arab Emirates, and China. Likewise, 克炎 is the forename as well as the last name.