Kang Yun-seong

Kang Yun-seong (강윤성) may refer to:
 * Kang Yun-sŏng (died 1358), Goryeo person
 * K (singer) (born 1983), South Korean singer
 * Kang Yoon-sung (footballer) (born 1997), South Korean footballer
 * Kang Yun-seong (director), South Korean filmmaker