Family name 克涵 (Kehan 
, 克涵 ) , across the world, is a rare last name. The cognomen 克涵 is habitual in Malaysia, where it is a rare surname, Turkey, where it is a very rare surname, and the United States. Measured by absolute frequency, this name is the most popular in China, the United States, and Malaysia. More prevalently, 克涵 is the forename as well as the last name.