Family name 克臣 (克臣 
, Kechen 
) , throughout the world, is a rare last name. The cognomen 克臣 is characteristic of China, where it is a very rare surname, Germany, where it is an extremely rare surname, and Canada. Measured by absolute frequency, this name is the most popular in China, India, and Germany. More frequently, 克臣 is the forename as well as the last name.