Surname Kihyun (기현 
, Kihyun 
, 基賢) , throughout the world, is a rare cognomen. The surname Kihyun is habitual in South Korea, where it is a rare surname, Japan, where it is a very rare surname, and Australia. Measured by absolute frequency, the name is most common in Eastern Asia, particularly South Korea, Japan, and China. Much more frequently, Kihyun is the forename as well as the last name.