Family name Kkkk (Kkkk 
, كككك 
, Кккк 
) , all over the world, is quite a rare cognomen. The cognomen Kkkk is characteristic of Taiwan, where it is quite a rare surname, Oman, where it is a rare surname, and Saudi Arabia. Measured by absolute frequency, it is the most numerous in Taiwan, Saudi Arabia, and Japan. Also, Kkkk is the forename as well as the last name.