Kiyoshi Takayama (髙山 清司, Takayama Kiyoshi, born September 5, 1947 in Tsushima, Aichi) is a yakuza best known as the second-in-command (wakagashira) of the 6th-generation Yamaguchi-gumi, the largest known yakuza syndicate in Japan, and the president of its ruling affiliate, Kodo-kai, based in Nagoya.