Susumu Kajiyama (梶山 進 Kajiyama Susumu, born around 1950) is a retired yakuza best known for his arrest in 2003, who was dubbed the "loan shark king". He has been introduced as a senior member of the Shizuoka-based Goryo-kai, a secondary organization of Japan's largest yakuza syndicate, the Yamaguchi-gumi, although he was technically not a member of the Goryo-kai.