Family name 克山 (Keshan 
, 克山 
) , around the world, is a common cognomen. The cognomen 克山 is habitual in Sri Lanka, where it is quite a rare surname, North Macedonia, where it is a rare surname, and India. In absolute terms, it is commonest in India, Sri Lanka, and China. Also, 克山 is the forename as well as the last name.