Boryokudan
Japanese police to describe the organized crime groups popularly known as yakuza.
Famous Boryokudan
- Fifth Yamaguchi-gumi, led by Watanabe Yoshinori
- Inagawa-kai, led by Inagawa Kakuji
- Sumiyoshi-kai, led by Nishiguchi Shigeo
- Fourth Kudo-kai, led by Nomura Satoru
- Third Kyokuryu-kai, led by Onaga Yoshihiro
- Okinawa Kyokuryu-kai, led by Tominaga Kiyoshi
- Fifth Aizukotetsu-Kai, led by Zukoshi Toshitsugu
- Fourth Kyosei-kai
- Sixth Goda-ikka, led by Nukui Kanji
- Fourth Kozakura-ikka, led by Hiraoka Kiei
- Third Asano-gumi, led by kushita Yoshiaki
- Second Dojin-kai, led by Matsuo Seijiro
- Shinwa-kai, led by Hosotani Kunihiko
- Soai-kai, led by Sin Myong U
- Third Kyodo-kai
- Taishu-kai
- Seventh Sakaume-gumi, led by Kin Zaikaku
- Kyokuto-SakuraiSoke-Rengokai, led by Serizawa Yasuyuki
- Kyokuto-kai, led by Cho Kyu Hwa
- Azuma-gumi, led by Kishida Kiyoshi
- Matsuba-kai, led by I Chun Song
- Kokusui-kai, led by Kudo Kazuyoshi
- Nakano-kai, led by Nakano Taro
- Second Fukuhaku-kai, led by yakuza
