Surname 康康 (康康 
, Kangkang 
, Kang Kang 
) , across the world, is quite a common last name. The family name 康康 is habitual in China, where it is a rare surname, Jordan, and Indonesia, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in China, Indonesia, and Philippines. More frequently, 康康 is the forename as well as the last name.