2023 in Japan
Events in the year 2023 in Japan.

Incumbents
Emperor: Naruhito
Prime Minister: Fumio Kishida
Chief Cabinet Secretary: Hirokazu Matsuno
Chief Justice of Japan: Saburo Tokura
Speaker of the House of Representatives: Tadamori Ōshima
President of the House of Councillors: Akiko Santō

Governors
Aichi Prefecture: Hideaki Omura
Akita Prefecture: Norihisa Satake
Aomori Prefecture: Shingo Mimura
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
Niigata Prefecture: Hideyo Hanazumi
Oita Prefecture: Katsusada Hirose
Okayama Prefecture: Ryuta Ibaragi
Okinawa Prefecture: Denny Tamaki
Osaka Prefecture: Ichirō Matsui
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
Tokyo Prefecture: Yuriko Koike
Tottori Prefecture: Shinji Hirai
Toyama Prefecture: Hachiro Nitta
Wakayama Prefecture: Yoshinobu Nisaka
Yamagata Prefecture: Mieko Yoshimura
Yamaguchi Prefecture: Tsugumasa Muraoka
Yamanashi Prefecture: Kotaro Nagasaki

Events

January
 January 1–March 28 – According to Ministry of Agriculture, Forestry and Fisheries official confirmed report, at least 82 livestock farm place were bird flu, resulting H5N1 type from death bodies positive test on nationwide, and 9.9 million chickens were culling by Japan Self Ground Defense Force.
 January 13 – According to the Ministry of Justice and Ministry of Health, Labour and Welfare, Japanese prosecutors indicts Tetsuya Yamagami for the suspect of killing former Japanese Prime Minister Shinzo Abe, who was assassinated on July 8, 2022 in Nara.
 January 19 – According to official confirmed report, Tokyo Institute of Technology and Tokyo Medical and Dental University were merged, new name is Tokyo Institute Science University, that start on April 2024.
 January 20 – The Bank of Japan reports that inflation in Japan increased by 4.0% in December, the highest recorded increase since 1981.
 January 22 – Four people are killed and three others are feared dead in an apartment fire in Kobe.
 January 25 – A Hong Kong-registered ship carrying 22 people capsizes off the waters of Japan. 13 crew members are rescued, but two later died, and nine are still missing.
 January 29 – A 17-year-old student was filmed licking a soy sauce bottle, and then his finger which he then used to prod on sushi in the food chain Sushiro. Outrage spread across Japan, starting a series of pranks across the country referred to as "sushi terrorism".

February 

 February 3 – A Executive Secretary to the Prime Minister of Fumio Kishida,  said "I would not want to live next to, or look at the homosexual". He was fired the following day. 
 February 7 – According to Mitsubishi Aircraft has official announcement, Mitsubishi SpaceJet has complete withdraw from manufacture, sales and develops,

March

 March 15 – YouTuber and former MP Yoshikazu Higashitani is expelled by the House of Councillors for never attending parliament. An arrest warrant was requested for him the following day.

April 

 April 6 – A Mitsubishi UH-60JA helicopter of the Japan Ground Self-Defense Force crashes off the coast of Miyakojima in Okinawa Prefecture, with 10 people on board.
 April 13 – North Korea launches a ballistic missile toward northern Japan, prompting evacuation orders in Hokkaido.
 April 15 – An attack is made on Fumio Kishida when what was described as a "smoke bomb" was thrown towards his direction and detonated, while he was in Wakayama to deliver a speech. He was left unharmed.

May 

 May 5 – 2023 Ishikawa earthquake. According to USGS official report, a Richer Scale 6.2 magnitude earthquake, following to many aftershocks hit in Noto Peninsula, Ishikawa Prefecture, according to Fire and Disaster Management Agency official report, a person was died, 48 people were wounded.
 May 11 – According to USGS official report, a Richer Scale 5.2 magunitude ertthquake hit in Tokyo Metropolitan area, according to Fire and Disaster Management Agency official report, nine persons were wounded.
 May 19–21 – 49th G7 summit held in Hiroshima.
 May 25 – Four people including two policemen were killed in a stabbing and shooting incident in Nakano.

June 
 June 2–3 – According to Japan Meteorological Agency official confirmed report, a heavy massive torrential rain, affective Typhoon Mawar hit in Japan, many places occur on flash flood, levee collapse, landslide hit in Tokyo Metropolitan area, Kii Peninsula and Hamamatsu, which kill 7 persons with injure 45 persons, according to Fire and Disaster Management Agency official confirmed report,
 June 4 – A former member of House of Councillors, Yoshikazu Higashitani arrested suspicion for repeating habitual personal intimidation by own YouTube, on way to Japan, escape from Dubai, United Arab Emirates, according to Japan National Police Agency and Interpol announced.
 June 14 – 2023 Japan military facility shooting
 June 16 – The Japanese Diet passes the bill to understand LGBTQ, raises the age of consent from 13 to 16, and criminalizes voyeurism.

 June 18 – According to Japan National Police Agency official confirmed report, a regular route bus and a truck carrying livestock were collision in Yakumo, Hokkaido, a five persons were human fatalities with twelve persons were hurt,
 June 23 – According to the official confirmed report of the World Health Organization, a patient who died of myocarditis in domestic (a 70's age) on June 2022 was confirmed as the first case of Oz virus in the world from the results of the Japan National Institute of Infectious Diseases.

July 
July 4 – UN’s nuclear watchdog approves plans to release water from Fukushima Daiichi nuclear power plant into the ocean.
11 July – Floods and mudslides killed at least six in southwestern Japan and injured 19. Five people have been reported missing.
July 14 – According to Japan Aerospace Exploration Agency (JAXA) official confiremed report, An explosion occurred during a test of a solid fuel Epsilon rocket at JAXA's Noshiro Testing Center in Noshiro, Akita Prefecture, no one injures on this incident.
July 15–16 – According to Japan Meteorological Agency official confirmed report, a heavy rain caused flooding, levee breaches, and landslides in many places in Akita Prefecture. According to a official report by the Fire and Disaster Management Agency, kill one person and injure four others.
July 30 – Sumida River Firework Festival has return since 2019, due COVID-19 relative worldwide pandemics, however, a many visitor remain behind venue after midnight, cause the suburban train service hour ended, according to official confirmed report,

Arts and entertainment
2023 in anime
2023 in Japanese music
2023 in Japanese television
List of 2023 box office number-one films in Japan
List of Japanese films of 2023

Sports
 July 14 to 30 - 2023 FINA World Aquatics Championships in Fukuoka.
 September 10 – 2023 FIA World Endurance Championship is held at 2023 6 Hours of Fuji
 September 24 – 2023 Formula One World Championship is held at 2023 Japanese Grand Prix
 October 1 – 2023 MotoGP World Championship is held at 2023 Japanese motorcycle Grand Prix
 2023 F4 Japanese Championship
 2023 Super Formula Championship
 2023 Super Formula Lights
 2023 Super GT Series
 2022 AFC Champions League Final (Japan)
 2023 in Japanese football
 2023 J1 League
 2023 J2 League
 2023 J3 League
 2023 Japan Football League
 2023 Japanese Regional Leagues
 2023 Japanese Super Cup
 2023 Emperor's Cup
 2023 J.League Cup

Deaths

January
January 1 – Tetsuo Hasegawa, actor (b. 1938)
January 11 – Yukihiro Takahashi, musician (b. 1952)
January 23 – Hiromitsu Kadota, baseball player (b. 1948)

February
February 5 – Takako Sasuga, voice actress (b. 1936) 
February 7 – Hiroki Nakata, shogi player (b. 1964)
February 10 – Satoshi Iriki, baseball player (b. 1967)
February 13 – Leiji Matsumoto, animator and manga artist (b. 1938)
February 14 – Shoichiro Toyoda, business executive (b. 1925)
February 15 – Shōzō Iizuka, voice actor (b. 1933)
February 16 – Maon Kurosaki, singer and songwriter (b. 1988)
February 25 – Mitsuo Senda, voice actor (b. 1940)

March
March 2 – Ryuho Okawa, religious leader (b. 1956)
March 5
Takahiro Kimura, animator, illustrator and character designer (b. 1964)
Kenzaburō Ōe, writer (b. 1935)
March 9 – Chikage Oogi, actress and politician (b. 1933)
March 10 – Naonobu Fujii, volleyball player (b. 1992)
March 11 – Chen Kenichi, chef (b. 1956)
March 22 – Jirō Dan, actor (b. 1949)
March 23 – Tomoko Naraoka, actress (b. 1929)
March 28 – Ryuichi Sakamoto, composer, record producer, and actor (b. 1952)

April
April 1 – Yasumichi Kushida, voice actor (b. 1976)
April 5 – Masanori Hata, zoologist, essayist, and filmmaker (b. 1935)

May
May 11 – Futoshi Nakanishi, baseball player (b. 1933)

June
June 9 – Yumie Hiraiwa, screenwriter, novelist (b. 1932)
June 11
Mikio Aoki, politician (b. 1934)
Sadao Nakajima, film director (b. 1934)
June 12 – Shigeru Sugishita, baseball player (b. 1925)
June 16 – Manabu Kitabeppu, baseball player (b. 1957)

July
July 1 – Ippei Kuri, manga artist and entrepreneur (b. 1940)
July 11 – Yuzo Toyama, composer (b. 1931)
July 12 – Ryuchell, television personality (b. 1995)
July 18 – Keiko Suzuka, actress (b. 1955)
July 24 – Seiichi Morimura, novelist (b. 1933)

August
August 5 – Nami Sano, manga artist (b. 1987)

See also

Country overviews

 Japan
 History of Japan
 Outline of Japan
 Government of Japan
 Politics of Japan
 Years in Japan
 Timeline of Japanese history

Related timelines for current period

 2023
 2020s
 2020s in political history

References

 
Japan
Japan
2020s in Japan
Years of the 21st century in Japan