Last name 克钧 (Kejun 
, 克钧 ) , all around the world, is a rare surname. The surname 克钧 is habitual in Bermuda, where it is quite a rare surname, Taiwan, where it is a rare surname, and Malaysia, where it is a very rare surname. Measured by absolute frequency, it is commonest in China, Taiwan, and Malaysia. More frequently, 克钧 is the forename as well as the last name.