2023 in anime

Events in 2023 in anime.

Films
A list of anime films that was released in theaters between January 1 and December 31, 2023.

Television series
A list of anime television series that debuted between January 1 and December 31, 2023.

Original net animations
A list of original net animations that will debut between January 1 and December 31, 2023.

Original video animations
A list of original video animations that will debut between January 1 and December 31, 2023.

January

 * January 13: Hitoshi Yoshioka, Japanese light novelist (Idol Defense Force Hummingbird, The Irresponsible Captain Tylor, Yōseiki Suikoden), dies at age 62.

February

 * February 5: Takako Sasuga, Japanese voice actress (voice of Monomi in the Danganronpa franchise, Akubi in Hakushon Daimao, Hata-bō in Osomatsu-kun, Twink in Princess Knight, Tarao Fuguta in Sazae-san, Hajime in Tensai Bakabon), dies at age 87.
 * February 13: Leiji Matsumoto, Japanese animator and manga artist (Galaxy Express 999, Interstella 5555: The 5tory of the 5ecret 5tar 5ystem, Space Battleship Yamato, Space Pirate Captain Harlock, Queen Millennia, Queen Emeraldas), dies from acute heart failure at age 85.
 * February 15: Shōzō Iizuka, Japanese actor (voice of Nappa in Dragon Ball Z, Caramel Man in Dr. Slump, Dogen Awakusu in Durarara!!, Yoshio Marui in Mister Ajikko, Ryu Jose in Mobile Suit Gundam, Happosai Hieta in Nintama Rantaro), dies from acute heart failure at age 89.
 * February 16: Maon Kurosaki, Japanese singer (performed theme songs for A Certain Magical Index, Danganronpa 3: The End of Hope's Peak High School Future Arc, Highschool of the Dead, Jormungand, Reincarnated as a Sword, Tokyo Ravens), dies from complications from chronic illness at age 35.
 * February 23: Junnosuke Kuroda, Japanese musician and guitarist for the band Sumika (performed theme songs for A Couple of Cuckoos, Mix, My Hero Academia: Heroes Rising, I Want to Eat Your Pancreas, Wotakoi: Love Is Hard for Otaku), dies at age 34.
 * February 25: Mitsuo Senda, Japanese voice actor (voice of Jeff in Giant Gorg, Elder Squirrel in Gon, Cai Ze in Kingdom, Great Toad Sage in Naruto Shippuden, Yoneo Yamada in Ojamanga Yamada-kun, Smiley in Sherlock Hound), dies from ischemic heart failure at age 82.

March

 * March 2: Ryuho Okawa, Japanese religious leader (Happy Science) and anime producer (The Rebirth of Buddha, The Laws of the Universe), dies at age 66.
 * March 5: Takahiro Kimura, Japanese animator (City Hunter, Idol Densetsu Eriko, Mobile Suit Victory Gundam) and character designer (Betterman, Code Geass, Code Geass Lelouch of the Re;surrection, The King of Braves GaoGaiGar, Mobile Suit Gundam Hathaway, Xenoblade Chronicles 2), dies from amyloidosis at age 58.
 * March 28: Ryuichi Sakamoto, Japanese musician and composer (Exception, My Tyrano: Together, Forever, Royal Space Force: The Wings of Honnêamise), dies from throat cancer at age 71.

April

 * April 1: Yasumichi Kushida, Japanese voice actor (voice of Ginga Hoshi in 30-sai no Hoken Taiiku, Nobusuma in Demon Prince Enma, Gorō Mikajima in Planetarian: The Reverie of a Little Planet and Planetarian: Storyteller of the Stars, Gousuke Guden in The Aquatope on White Sand), dies at age 46.
 * April 26: Frank Agrama, American film director and producer, founder of Harmony Gold USA (Dragon Ball, Once Upon a Time, Robotech: The Shadow Chronicles, Space Pirate Captain Harlock), dies at age 93.

May

 * May 22: Yasunori Arai, Japanese drummer for the band Baad (performed theme songs for Slam Dunk), dies.

June

 * June 3: Manabu Ishikawa, Japanese animation producer (Evangelion: 1.0 You Are (Not) Alone, Evangelion: 2.0 You Can (Not) Advance, Psycho-Pass 2, Muromi-san) and scriptwriter (Fullmetal Alchemist, Mononoke, Transformers: Cybertron, Welcome to Irabu's Office, Yozakura Quartet), dies.

July

 * July 1: Ippei Kuri, Japanese manga artist, animation director (Judo Boy, Speed Racer), character designer (Science Ninja Team Gatchaman: The Movie, Space Ace, Robotech II: The Sentinels), producer (Samurai Pizza Cats, Science Ninja Team Gatchaman, Tekkaman Blade II), and co-founder and CEO of Tatsunoko Production, dies at age 83.

August

 * August 5: Nami Sano, Japanese manga artist (Haven't You Heard? I'm Sakamoto, Migi to Dali), dies from cancer at age 36.
 * August 15: Shunpei Maruyama, Japanese animation producer, and former president of Actas (Girls und Panzer, Princess Principal). (death announced on this date)
 * August 19: Nizo Yamamoto, Japanese art director (Attack on Tomorrow!, Castle in the Sky, Fantastic Children, Future Boy Conan, Grave of the Fireflies, Jarinko Chie, Little Nemo: Adventures in Slumberland, Princess Mononoke, Spirited Away, The Girl Who Leapt Through Time, Weathering with You) and animation director (Miyori no Mori), dies from stomach cancer at age 70.

September

 * September 8: Buichi Terasawa, Japanese manga artist (Cobra, Goku Midnight Eye, Karasu Tengu Kabuto, Takeru - The Bad Boy of Yamato), dies from a heart attack at age 68.

October

 * October 8: Shinji Tanimura, Japanese singer-songwriter (performed and wrote theme songs for Heaven's Lost Property, Turn A Gundam), dies at age 74.
 * October 19: Atsushi Sakurai, Japanese lead vocalist for the band Buck-Tick (performed theme songs for GeGeGe no Kitarō (2018), Nightwalker: The Midnight Detective, xxxHolic, Trinity Blood), dies from a brainstem hemorrhage at age 57.
 * October 20: Yousuke Naka, Japanese voice actor (voice of Nobita's dad in Doraemon (1979), Ehrenberg in Legend of the Galactic Heroes Die Neue These, Mulligan in Sohryuden: Legend of the Dragon Kings), dies at age 93.
 * October 24: Miyuki Ichijo, Japanese voice actress (voice of Jodie Starling in Case Closed, Cardo Nabo in Mobile Suit Gundam: The Witch from Mercury – Prologue, Misa Takatsuki in Project ARMS, Yoshii in The House of the Lost on the Cape), dies from multiple organ failure at age 76.
 * October 29: Heath, Japanese bassist for the band X Japan (performed theme songs for X), dies from colorectal cancer at age 55.

November

 * November 2: Haruko Kitahama, Japanese voice actress (voice of Baron Ashura (Female) in Mazinger Z, Setsuko Ōhara in Obake no Q-Tarō, Ichimatsu and Todomatsu in Osomatsu-kun, Rafflesia in Space Pirate Captain Harlock, Mama in The Adventures of Hutch the Honeybee, Ruka in Triton of the Sea), dies from chronic lung disease at age 86.
 * November 6: Yoshiko Miura, Japanese lyricist (wrote theme songs for Aura Battler Dunbine, Cat's Eye, Creamy Mami, the Magic Angel, God Mars, Panzer World Galient, Ronin Warriors, Urusei Yatsura 2: Beautiful Dreamer. Yawara!), dies from pneumonia at age 74.
 * November 7: Ken'ichi Sakemi, Japanese novelist (Like the Clouds, Like the Wind), dies from respiratory failure at age 59.
 * November 16: Hajime Kikuchi, Japanese music composer for the band Eufonius (composed music for True Tears and Konohana Kitan), dies from acute heart failure at age 44.
 * November 19: Peter Spellos, American actor (voice of Von Jobina in Bastard!! (OVA), Whamon in Digimon Adventure, Grizzlymon in Digimon Frontier: Island of Lost Digimon, Gilliam in Outlaw Star, Hakim Ashmead in Planetes, Sagat in Street Fighter II: The Animated Movie), dies from complications from pancreatic cancer at age 69.
 * November 26: Yusuke Chiba, Japanese singer-songwriter for the band The Birthday (performed theme songs for The First Slam Dunk, Zombie-Loan, Naruto Shippuden the Movie: The Will of Fire), dies from esophegal cancer at age 55.

December

 * December 30:
 * Satoshi Iwataki, Japanese animator and character designer for Ghost Hunt and Dororo, dies from an illness at age 60.
 * Aki Yashiro, Japanese enka singer (performed theme songs for The Gokusen, and Tottemo! Luckyman), dies from anti-MDA5 dermatomyositis and interstitial lung disease at age 73.