Family name 克君 (克君 
, Kejun 
) , globally, is quite a rare surname. The last name 克君 is habitual in Bermuda, where it is quite a rare surname, Taiwan, where it is a rare surname, and China, where it is a very rare surname. In absolute terms, this name is the most popular in China, Taiwan, and Malaysia. More frequently, 克君 is the forename as well as the last name.