2023 in Japan
Events in the year 2023 in Japan. == Incumbents == Emperor: Naruhito Prime Minister: Fumio Kishida Chief Cabinet Secretary Hirokazu Matsuno (until December 14) Yoshimasa Hayashi (starting December 14) Chief Justice of Japan: Saburo Tokura Speaker of the House of Representatives Hiroyuki Hosoda (until October 20) Fukushiro Nukaga (starting October 20) President of the House of Councillors: Hidehisa Otsuji === Governors === Aichi Prefecture: Hideaki Omura Akita Prefecture: Norihisa Satake Aomori Prefecture: Shingo Mimura (until June 28), Sōichirō Miyashita, (from June 29) Chiba Prefecture: Toshihito Kumagai Ehime Prefecture: Tokihiro Nakamura Fukui Prefecture: Tatsuji Sugimoto Fukuoka Prefecture: Seitaro Hattori Fukushima Prefecture: Masao Uchibori Gifu Prefecture: Hajime Furuta Gunma Prefecture: Ichita Yamamoto Hiroshima Prefecture: Hidehiko Yuzaki Hokkaido: Naomichi Suzuki Hyogo Prefecture: Motohiko Saitō Ibaraki Prefecture: Kazuhiko Ōigawa Ishikawa: Masanori Tanimoto Iwate Prefecture: Takuya Tasso Kagawa Prefecture: Keizō Hamada Kagoshima Prefecture: Kōichi Shiota Kanagawa Prefecture: Yuji Kuroiwa Kumamoto Prefecture: Ikuo Kabashima Kochi Prefecture: Seiji Hamada Kyoto Prefecture: Takatoshi Nishiwaki Mie Prefecture: Eikei Suzuki Miyagi Prefecture: Yoshihiro Murai Miyazaki Prefecture: Shunji Kōno Nagano Prefecture: Shuichi Abe Nagasaki Prefecture: Hōdō Nakamura Nara Prefecture: Shōgo Arai (until May 2), Makoto Yamashita (from May 3) Niigata Prefecture: Hideyo Hanazumi Oita Prefecture: Katsusada Hirose (until April 27), Kiichiro Satō (from April 28) Okayama Prefecture: Ryuta Ibaragi Okinawa Prefecture: Denny Tamaki Osaka Prefecture: Hirofumi Yoshimura Saga Prefecture: Yoshinori Yamaguchi Saitama Prefecture: Motohiro Ōno Shiga Prefecture: Taizō Mikazuki Shimame Prefecture: Tatsuya Maruyama Shizuoka Prefecture: Heita Kawakatsu Tochigi Prefecture: Tomikazu Fukuda Tokushima Prefecture: Kamon Iizumi (until May 17), Masazumi Gotoda (from May 18) Tokyo Prefecture: Yuriko Koike Tottori Prefecture: Shinji Hirai Toyama Prefecture: Hachiro Nitta Wakayama Prefecture: Shūhei Kishimoto Yamagata Prefecture: Mieko Yoshimura Yamaguchi Prefecture: Tsugumasa Muraoka Yamanashi Prefecture: Kotaro Nagasaki == Events == === January === January 1–March 28 – The Ministry of Agriculture, Forestry and Fisheries releases a report stating that the Japanese Self-Defence Forces had culled 9.9 million chickens in 2023 to prevent the bird flu and they found 83 infected corpses.