List of Japanese political figures in early Showa period

List of important political and civil figures during World War II:

• Osachi Hamaguchi: Prime Minister
• Tomeo Sagoya: the assassin of Prime Minister Osachi Hamaguchi. He was a member of Aikoku-sha (Love of Country Association)
• Wakatsuki Reijirō: Prime Minister
• Hara Takashi: Commoner and liberal thinker of the Seiyukai party, came to be Prime Minister
• Kaku Mori: a Parliamentary Vice-Minister of Foreign Affairs
• Yōsuke Matsuoka: Foreign Affairs Minister
• Fumimaro Konoe: Prime Minister, founder of Dobunkai Secret society
• Naotake Satō: himself realizing official duties, Manchukuo and China, some ambassador in Italy and last Ambassador in Soviet Union
• Kanji Kato: an important functionary in the Foreign affairs ministry
• Gotō Shinpei: ex-governor of Taiwan and important supporter of Manchukuo actions
• Noburo Ohtani: president of N.Y.K. Line
• Kishi Shinsuke: a nationalist, industrialist and merchant
• Yakichiro Suma: Spokesman of Foreign Affairs Ministry
• Nobofumi Ito: Chief of Information department
• Koh Ishii: Spokesman of Information department
• Saitō Takao: Member of Diet, opposed to official policy
• Baron Takumo Dan: Chief of Mitsui Banking interest and United States friend
• Kazuo Taoka: nationalist and head of the Yamaguchi-gumi, the largest yakuza syndicate.
• Kenji Osano: Ultranationalist politician and kuromaku.
• Kōki Hirota: member of Genyosha and Black Dragon secret societies, also Foreign Minister, Prime Minister
• Kaoru Ogawa: another member of nationalist societies and right wing believer associated with organized crime
• Ryōhei Uchida: Ultranationalist, founder of Genyosha (Dark Ocean, also Black Ocean) secret society; too right-wing adviser and president of Dai Nippon Seisanto (Japan Production Party) nationalist party.
• Kuzuo Yoshihisa: Right-wing supporter, successor of Ryohei Uchida in leading of Black Dragon Society in 1937.
• Kotaro Hiraoka: another ultranationalist, also a Samurai. Another founder of the Genyosha Secret society.
• Mitsuro Toyama: chief of Black Dragon Society, also founder of Kenkokukai and Roninkai secret groups.
• Kosaburo Tachibana: right-wing follower, founder of Aikyojuku (Native-Land-Loving School) Secret society
• Kakuei Tanaka: Ultranationalist. Former Japanese Prime Minister
• Hisayuki Machii: Ethnic Korean and boss of Toa-kai
• Kakuji Inagawa: another right-wing follower and boss of Inagawa-kai yakuza syndicate.
• Fumio Gotō: chief of Showa Studies Society
• Dr. Shūmei Ōkawa: nationalist ideologist and instructor in Showa Studies Society
• Count Yoriyasu Arima: another "professor" in Showa Studies Society
• Fusanosuke Kuhara: ex-syndicalist, ideologist and right-wing spokesman
• Komakichi Matsuoka: syndicalist and leader of the Worker Federation of Japan industrial Syndicate during the 1940s
• Naoki Hoshino: right-wing and Army civil follower Ideologist
• Ichizō Kobayashi: President of Tokio Gasu Denky (Electric light and Gas Company of Tokyo) and Minister of Commerce and Industry
• Shōzō Murata: president of Osaka Shosen Kaisha, Minister of Communications
• Prince Saionji Kinmochi: last survivor of ancient Genro group, related with Sumitomo Zaibatsu Clan
• Akira Kazami: Ministry of Justice
• Baron Hiranuma Kiichirō: Radical thinker, Home Minister
• Masatsune Ogura: Director of Sumitomo Empress and Finance Minister
• Chikao Fujisawa: member of Diet, supporte of State Shinto laws
• Prince Kan'in Kotohito, supporter of State
• Katsuko Tojo: Tojo's wife and supporter of the implementation of eugenics policies in Japan
• Yoshisuke Aikawa: Industrialist of Nissan Company, also Chief of Manchukuo Industrial Zaibatsu along Japanese Army Establishment
• Toshio Shiratori: radical follower of the Axis Powers alliance, first adviser of the Foreign Affairs ministry and ambassador in Italy
• Count Kabayama: moderate and Capitalist diplomat, also United States friend
• Renzo Sawada: ex-ambassador in France
• Juji Kasai: Representant Chamber Member, another Pro-American
• Kensuke Horinouchi: Ambassador in the United States for a short time
• Marquis Okuma: ex-Prime Minister
• Fuji Fujuzawa: Industrialist and foreign merchant in Scrap iron and nationalist government supporter
• Saburō Kurusu: new special ambassador in the United States
• Kaname Wakasugi: aide of Special Ambassador
• Yoshio Kodama: ultranationalist thinker and political personality related with Yakuza groups
• Ryoichi Sasakawa: a right-wing follower and ideology also linked with criminal societies
• Okinori Kaya: nationalist and merchant related with some Yakuza groups

Military figures in politics

• General Kazushige Ugaki: Prime Minister
• General Tanaka Giichi: Prime Minister
• General Hideki Tōjō: Prime Minister, War Minister and Home Minister
• General Sadao Araki: Radical ideologist, founder of Kodoha Party and Minister of Education
• Admiral Makoto Saito: Prime Minister
• Colonel Kingoro Hashimoto: Leader of Imperial Young Federation, Imperial Aid Association and Imperial Farmers Association
• Admiral Mitsumasa Yonai: Prime Minister
• General Nobuyuki Abe: Foreign Affairs Minister
• Lieutenant General Heisuke Yanagawa: Ministry of Justice and leader of the Imperial Aid Association
• Admiral Teijirō Toyoda: Commerce & Industry and Foreign Affairs Minister
• Lieutenant General Seizo Sakonji: Commerce & Industry Minister
• General Kuniaki Koizo: Prime Minister and partidaire of State Shintoism policy
• Admiral Kichisaburō Nomura: military policy, proposed how special ambassador in agreements with the United States
• General Hachirō Arita: ex-Foreign Affairs Minister and military thinker
• Colonel Hideo Iwakuro: member of Army Staaff, right-winger, and diplomatic Army supporter