The Fukuhaku-kai (福博会?) is a yakuza organization based in Fukuoka on the Kyushu island of Japan. The Fukuhaku-kai is a designated yakuza group with an estimated membership of 280 (and up to 360), and has its offices in three other prefectures as well as its headquarters in Hakata, Fukuoka.
The Fukuhaku-kai is one of the five independent designated yakuza syndicates based in Fukuoka Prefecture, along with the Kudo-kai, the Taishu-kai, the Dojin-kai and the Kyushu Seido-kai. These northern-Kyushu based organizations, excluding the Kyushu Seido-kai, have formed an anti-Yamaguchi-gumi fraternal federation known as the Yonsha-kai. The Fukuhaku-kai has never been a member of this federation, however has caused at least one conflict with the Yamaguchi-gumi, which involved firearms, in 2004.
The Fukuhaku-kai has been in conflict with four different Yamaguchi-affiliates over the concessions of Nakasu, the largest red-light district in Kyushu, and also with the Dojin-kai and Kudo-kai over their attempts to enter the same territory.
- "Police of Japan 2011, Criminal Investigation : 2. Fight Against Organized Crime", December 2009, National Police Agency
- "Boryokudan in Fukuoka Prefecture", 11 July 2009, Nishinippon Shimbun (Japanese)
- "Boryokudan Situation in 2010", April 2011, National Police Agency (Japanese)
- "10 years from the enforcement of the Organized Crime Countermeasures Law", March 2002, National Police Agency, (Japanese)
- "Retrospection and Outlook of Crime Measure", p.15, Masahiro Tamura, 2009, National Police Agency (Japanese)
- The Sixth Yamaguchi-gumi Complete Databook 2008 Edition : "The funeral of the Fourth Kudo-kai Honorary Adviser Hideo Mizoshita" (p.193), 1 February 2009, Mediax, ISBN 978-4-86201-358-3 (Japanese)
- "Boryokudan Situation in 2004" (p.10), April 2005, National Police Agency (Japanese)
- "Crime Situation of Fukuoka Prefecture" (p.17), 2006, Fukuoka Prefecture (Japanese)