Anime Starting With O

Browse all 574 anime starting with O: recommendations and what to watch next, on OTAKULT.

• [Oshi no Ko] Final Season
• O Maidens in Your Savage Season
• Oam Monogatari: Sono Natsu, Watashi ga Shitta koto
• Oatari Sora no Entaku
• Obaa no Omamori
• Obaa-chan no Takaramono
• Obake Nante Nai sa
• Obake no Dokurou
• Obake no Namida
• Obake no Q-tarou
• Obake no Q-tarou (1985)
• Obake no... Holly
• Obake to Issho
• Obake Zukan
• Obake Zukan 2nd Season
• Oban Star-Racers
• Obatalian
• Obey Me!
• Obey Me! Anime Special: Devildom Family Trip!
• Obey Me! The Anime Season 2
• object
• Oblivion Battery
• Oblivion Island: Haruka and the Magic Mirror
• Obocchama-kun
• Observing Elena Evoy
• OBSOLETE
• OBSOLETE Part II
• Obusu ni Hanataba wo
• Occult Academy
• Occult Academy Specials
• Occultic;Nine
• Ocean Waves
• Ocha-ken: Chokotto Monogatari
• Ocha-ken: Hotto Monogatari
• Ocha-ken: Ryokutto Monogatari
• Ochibi-san Tanpen Movie
• Ochou Fujin no Gensou
• OCTOPOLIS
• Oda Cinnamon Nobunaga
• Odd Taxi Original Picture Drama
• ODDTAXI
• ODDTAXI In The Woods
• Odebu Akujo ni Tensei Shitara, Naze ka Last Boss Ouji-sama ni Shuuchaku Sareteimasu
• Odekake Kozame Kurashiki-shi Collab Movie
• Odekake Kozame × Chiba-ken Kuro Ajillo
• Odekake Kozame × GAMERA: Rebirth
• Odekake Kozame: Tokai no Otomodachi
• Oden no Uta
• Oden-kun
• Odin: Photon Space Sailer Starlight
• Odoriko Clinoppe
• Odoru Mowai-kun
• Oedo Fire Slayer -The Legend of Phoenix-
• Oedo Nihonbashi
• Oedo wa Nemurenai!
• OFF STAGE
• Office Work
• OFFSIDE
• Offside
• Ofuro no Kazoe Uta
• Ofuro no Uta
• Ofuroya-san e Tsuretette
• Ogaki Matsuri ni Ikou yo!
• Ogami Matsugorou
• Ogre Slayer
• Oh Boy, Was I Wrong About Her
• Oh Pilseung Korea
• Oh Yoko!
• Oh! Edo Rocket
• Oh! Family
• Oh! My Goddess
• Oh! My Goddess (2011)
• Oh! My Goddess (TV)
• Oh! My Goddess Specials
• Oh! My goddess!
• Oh! My Goddess: Fighting Wings
• Oh! My Goddess: Flights of Fancy
• Oh! My Goddess: Flights of Fancy Specials
• Oh! My Goddess: The Adventures of Mini-Goddess
• OH! MY Konbu
• OH! Super Milk-Chan: Milk no No Mercy! - Furin wa Bunkada!
• Oh! Wooper Looper
• Oh, Suddenly Egyptian God
• Oh, Suddenly Egyptian God Season 2
• Ohayou Crayon
• Ohayou Hakushon Daimaou
• Ohayou Ninja-tai Gatchaman
• Ohayou! Spank
• Ohayou! Spank (Movie)
• Ohi-sama to Kaeru
• Ohiru no Shocker-san
• Ohiru no Shocker-san: The Movie
• Ohirune no Yurikago
• Oideyo Mahou Shoujo-mura (Fuhou Senkyo)
• Oira Kabuki no Nurarinhyon
• Oira ni Horecha Kega Suru ze!
• Oira no Yakyuu
• Oishinbo
• Oishinbo Pilot
• Oishinbo: Kyuukyoku Tai Shikou, Chouju Ryouri Taiketsu!!
• Oishinbo: The Japan-America Rice War
• Ojamajo Doremi 1620's
• Ojamajo Doremi Dokkaan!
• Ojamajo Doremi Na-i-sho
• Ojamajo Doremi OVA
• Ojamajo Doremi Sharp
• Ojamajo Doremi Sharp (Movie)
• Ojamajo Doremi: Heartwarming Theater
• Ojamajo Doremi: Owarai Gekijou
• Ojamanga Yamada-kun
• Ojamanga Yamada-kun (Movie)
• Ojarumaru no Koutsuu Anzen
• Ojarumaru Yakusoku no Natsu Ojaru to Semira Movie
• Ojarumaru: Chitchai Mono no Ookina Chikara
• Ojarumaru: Heianchou Onigami Kessen
• Ojarumaru: Mangetsu Road Kiki Ippatsu - Tama ni wa Maro mo Daibouken
• Ojarumaru: Wasureta Mori no Hinata
• Oji-san Kaizou Kouza
• Oji-san wa Kawaii Mono ga Osuki.
• Ojii-chan ga Kaizoku Datta Koro
• Ojii-chan no Hanabi
• Ojii-chan no Komoriuta
• Ojii-chan te Ii na
• Ojii-san no Densha
• Ojii-san no Lamp
• Ojisan and Marshmallow
• Ojisan to Marshmallow: Hige-san and Marshmallow
• OK Shokudou
• Oka no Ue no Charlie Trailer
• Oka Shika Chika Ika Saka
• Okaasan no Kao
• Okaeri
• Okaimono Panda
• Okaimono Panda! (ONA)
• Okama Hakusho
• Okami-san and Her Seven Companions
• Okamikakushi ~ Masque of the Wolf
• Okamoto Zero One CM: Kyouryuu-hen
• Okane wa Mawaru: Kurashi to Kinyuu
• Okashi na Okashi na Hoshi no Kuni
• Okashi na Sabaku no Suna to Manu
• Okashi na Tensei Mini Anime
• OKAWARI-BOY Starzan S
• Okitegami Kyouko no Bibouroku x Monogatari
• OKITSURA: Fell in Love with an Okinawan Girl, but I Just Wish I Know What She's Saying
• Okko's Inn
• Okome Kakurenbo
• Okonjoururi
• Okori Jizou
• Okoru yo!
• Okubyou na Venus
• Okuni no Tame ni
• Okusama wa Joshikousei
• OL Kaizou Kouza
• Old Master Q & "San-T"
• Omae, Tanuki ni Naranee ka?
• Omakase Scrappers
• Omakase! Miracle Cat-dan
• Omamori Himari
• Ometeotl≠HERO
• Omishi Magical Theater Risky Safety
• Omniscient Reader
• Omocha-Bako Series, Dai-3-Wa: Ehon 1936-nen
• Omoi no Kakera
• Omoi, Omoware, Furi, Furare
• Omoide ni Hanashikakete Mita
• Omoide ni Tokenagara
• Omoide no Album
• Omoide no Green Grass
• Omoide Onigiri
• Omoikkiri Yume
• Omoikou
• Omusubi Kororin
• On A Paper Crane: Tomoko's Adventure
• On Air Dekinai!
• On the Stage
• On the way home
• On Time Off Time
• On Your Mark
• On-chan
• ON-GAKU: OUR SOUND
• Onagawa Chuu Baske Bu: 5-nin no Natsu
• Onaka ga Guuguu Island
• Onaka no Ooki na Ouji-sama
• Onara Goro
• Onboro Piano
• Onbu Obake
• Once Upon A Time
• Once Upon a Time... Life
• Once Upon a Time... Space
• Once Upon a Witch's Death
• One Day A Letter Arrives from the Dog Kingdom
• One Last Wish
• One Million Year Dinosaur Dddli
• One Million-Year Trip: Bander Book
• One More Time, One More Chance
• One Night in the Art Gallery
• ONE OF US
• one off
• One Outs
• ONE PIECE
• One Piece - Episode of Sabo: Bond of Three Brothers - A Miraculous Reunion and an Inherited Will
• One Piece 3D2Y: Overcome Ace’s Death! Luffy’s Vow to his Friends
• ONE PIECE 3D: Gekisou! Trap Coaster
• One Piece 3D: Mugiwara Chase
• ONE PIECE FAN LETTER
• One Piece Film: Gold
• ONE PIECE FILM: GOLD - episode 0 711ver.
• One Piece Film: Red
• One Piece Film: Strong World
• ONE PIECE FILM: STRONG WORLD - EPISODE:0
• One Piece Film: Z
• ONE PIECE FILM: Z - GLORIOUS ISLAND
• ONE PIECE HEROINES
• ONE PIECE in LOVE: ONE PIECE DAY’25 Festival Eve Special
• One Piece Log: Fish-Man Island Saga
• One Piece Special: Open Upon the Great Sea! A Father's Huge, HUGE Dream!
• One Piece Special: Protect! The Last Great Performance
• One Piece Special: The Detective Memoirs of Chief Straw Hat Luffy
• One Piece The Movie: The Dead End Adventure
• One Piece: Adventure of Nebulandia
• One Piece: Annecy Festival 60th Anniversary
• One Piece: Baron Omatsuri and the Secret Island
• One Piece: Chopper’s Kingdom on the Island of Strange Animals
• One Piece: Clockwork Island Adventure
• ONE PIECE: Cry heart
• One Piece: Defeat the Pirate Ganzack!
• One Piece: Django's Dance Carnival
• ONE PIECE: Episode of Alabasta - Sabaku no Oujo to Kaizoku-tachi
• One Piece: Episode Of Chopper +: The Miracle Winter Cherry Blossom
• One Piece: Episode of East Blue
• One Piece: Episode of Luffy - Hand Island Adventure
• One Piece: Episode of Merry - The Tale of One More Friend
• ONE PIECE: Episode of Nami - Koukaishi no Namida to Nakama no Kizuna
• One Piece: Episode of Skypiea
• One Piece: Heart of Gold
• One Piece: Mega Mecha Soldier of Karakuri Castle
• ONE PIECE: Mezase! Kaizoku Yakyuu Ou
• ONE PIECE: Original Episode/Luffy, Law
• One Piece: Romance Dawn Story
• One Piece: Stampede
• One Piece: The Curse of the Sacred Sword
• One Piece: The Desert Princess and the Pirates, Adventures in Alabasta
• ONE PIECE: The Movie
• One Piece: Umi no Heso no Daibouken-hen
• ONE PIECE: Yume no Soccer Ou!
• ONE PIECE×KAWAISOUNI! Kono Boushi wo Omae ni Azukeru
• One Pound Gospel
• One Punch Man Season 3 Part 2
• One Room 3rd
• One Room SECOND SEASON
• One Room: another
• One Room: Second Season -extra-
• One Stormy Night
• One Stormy Night: Secret Friends
• One Way or Another
• One Week Charisma
• One Week Friends
• One Week Friends Kaori no Nikki
• One's Mind
• One-Punch Man
• One-Punch Man OVA
• One-Punch Man Season 2
• One-Punch Man Season 2 OVA
• One-Punch Man Season 3
• One-Punch Man: Road to Hero
• One: Kagayaku Kisetsu e
• ONE: Kagayaku Kisetsu e - True Stories
• Onee-chan
• Onee-chan ga Kita
• Onee-chan ga Kita: Hajimete no… Kitaa!
• Onegai AiPri
• Onegai My Melody
• Onegai My Melody Kirara
• Onegai My Melody Sukkiri♪
• Onegai My Melody: Kuru Kuru Shuffle!
• Onegai My Melody: Yuu & Ai
• Onegai! Cinderella
• Onegai! Samia Don
• Onegai☆Teacher Shinsaku Animation (Provisional Title)
• Onegai☆Teacher: Reminiscence
• OneRoom
• OneroomWorldTour
• Ongaku Shoujo
• Ongakushitsu wa Himitsu Kichi
• Oni
• Oni
• Oni Love Song
• Oni no Hanayome wa Taberaretai
• Oni no Ko to Yuki Usagi
• Oni no Negai
• OniAi
• OniAi Specials
• Onigara
• Onigiri
• ONIHEI
• Onihei: Sono Otoko, Heizou Hasegawa
• Onii-chan ni Natchatta
• Onii-chan no Koto nanka Zenzen Suki Janain Dakara ne!! Special
• Onii-chan Zurui
• Oniku Daisuki! Zeushi-kun
• Oniku Daisuki! Zeushi-kun (2-ki)
• Oniku Daisuki! Zeushi-kun (3-ki): Suteki na Hamburger
• ONIMAI: I'm Now Your Sister!
• Onimaru: Senjou ni Kakeru Itsutsu no Seishun
• Onimusha
• Onipan!
• Onitsuka Tiger x Urusei Yatsura to Collaboration Anime
• Onizushi
• Only Yesterday
• Only You: Viva! Cabaret Club
• Onmyo Kaiten Re:Birth Verse
• Onmyoji
• Onmyoji: Heian Monogatari 2
• Onmyoji: Heian Monogatari 3
• Onmyou Hyakki Monogatari
• Onmyou Tai Senki
• Onmyouji: Heian Monogatari
• Onna no Sono no Hoshi
• Onnanoko tte.
• Onomatopoeia ISLAND
• Onomatopoeia Rap ~Natsu Asobi-hen~
• Onpu
• Ontama!
• Ontology
• Onyankopon
• Ooedo Torimonochou: Nezumi Kozou
• Ooi! Hanimaru
• Ookami Heart
• Ookami Shoujo to Kuro Ouji: Gishinanki – Happening kiss
• Ookami Shounen Ken
• Ookami to Koushinryou: MERCHANT MEETS THE WISE WOLF 2nd Season
• Ookina Furudokei (1962)
• Ookina Furudokei (1973)
• Ookina Furudokei (2002)
• Ookina Ringo no Ki no Shita de
• Oomagatoki
• Oomuro-ke: dear friends
• Oomuro-ke: dear sisters
• Ootsuchi Chou Kagura Dai Hammer
• Ootsuchi Kai Monogatari
• Ooya-san to Boku
• Ooya-san to Boku 2
• Ooya-san to Boku 3
• Ooya-san wa Shishunki!
• Open the Door
• Open Your Mind
• Operation Han-Gyaku-Sei Million Arthur Special
• Oppai ga Ippai
• Opus.COLORs
• Oraa Guzura Dado
• Oraa Guzura Dado (1987)
• Oracle
• Orange
• Orange Point
• Orange: Future
• Orangutan
• Orb: On the Movements of the Earth
• ORBITAL ERA
• Ore no Imouto ga Konna ni Kawaii Wake ga Nai TRUE ROUTE
• Ore no Sora: Keiji-hen
• Ore to Yuu-nii!
• Ore wa Chokkaku
• Ore wa Hitori de
• Ore wa Subete wo [Parry] Suru: Gyaku Kanchigai no Sekai Saikyou wa Boukensha ni Naritai 2nd Season
• Ore wa Teppei
• Ore-sama Kingdom
• Oreca Battle
• Oreimo
• Oreimo 2
• Oreimo 2 (ONA)
• Oreimo 2 Extras
• Oreimo 2: My Little Sister Can't Be This Eroge
• Oreimo Animated Commentary
• Orenchi no Furo Jijo
• Oreshura
• ORESUKI: Are you the only one who loves me?
• ORESUKI: Are you the only one who loves me?: Our Playball / Our End Run / Our Game
• Oretacha Youkai Ningen
• Oretacha Youkai Ningen G
• Oretachi Majikou Destroy
• Oretachi ni Tsubasa wa Nai: Hadairo Ritsu Kyuuwari Zou!?
• Organic
• ORIENT
• ORIENT Part 2
• Oriental Martial Academy
• Origami Ninja Koyan @ KinTele
• Origami Warriors
• Origin: Spirits of the Past
• Original Eigakan Manner Eizou
• Orochi, the Eight-Headed Dragon
• Orphen
• Orphen 2: Revenge
• Oruchuban Ebichu
• Osakana wa Ami no Naka
• Osamake: Romcom Where The Childhood Friend Won't Lose
• Osamishi Tani no Wakare Uta
• OSAMPO
• Osamu and Musashi
• OSAMU TEZUKA ACADEMY TAISHOU
• Osamu Tezuka's Buddha Movie 2: Endless Trip
• Osaru no Kantai
• Osaru no Sankichi: Boukuusen
• Osaru no Sankichi: Totsugeki Tai no Kan
• Osaru no Tairyou
• Osaru to Kagami
• Osawaga! Super Baby
• Oseam
• Osei Toujou
• Oshare Majo♥Love and Berry: Shiawase no Mahou
• Oshi ga Buka ni Narimashita
• Oshi No Ko
• Oshi no Ko Season 2
• OSHI NO KO Season 3
• Oshie to Tabi Suru Otoko
• Oshiete Hokusai! THE ANIMATION
• Oshiete Mahou no Pendulum: Rilu Rilu Fairilu
• Oshin
• Oshiri Dandy the Young
• Oshiri Kajiri Mushi
• Oshiri no Yama wa Everest
• Oshiri Tantei
• Oshiri Tantei 2
• Oshiri Tantei 3
• Oshiri Tantei 4
• Oshiri Tantei 5
• Oshiri Tantei 6
• Oshiri Tantei 7
• Oshiri Tantei 7 Part 2
• Oshiri Tantei 8
• Oshiri Tantei 9
• Oshiri Tantei 9 Part 2
• Oshiri Tantei: Cosmic Front
• Oshiri Tantei: Curry Naru Jiken
• Oshiri Tantei: Puputto Fumutto Kaiketsu Dance
• Oshiri Tantei: Saraba Itoshiki Oshiri yo
• Oshiri Tantei: SHIRIARTY
• Oshiri Tantei: STAR AND MOON
• Oshiri Tantei: Sufuure-tou no Himitsu
• Oshiri Tantei: Tentou Mushi Iseki no Nazo
• Oshirimae Man: Fukkatsu no Oshirimae Teikoku
• Oshougatsu da yo! Doraemon
• Osiris no Tenbin
• Osiris no Tenbin 2
• Osomatsu-kun
• Osomatsu-kun (1988)
• Osomatsu-kun: Iyami wa Hitori Kaze no Naka
• Osomatsu-kun: Suika no Hoshi kara Konnichiwa zansu!
• Osomatsu-san 2 Short Film Series
• Osomatsu-san 3 Short Episode Anime: Gekokujou
• Osomatsu-san Movie: Gekijou Koukai Kinen - Original Tanpen Gekijou
• Osomatsu-san: Hipipo-Zoku to Kagayaku Kajitsu
• Osomatsu-san: Tamashii no Takoyaki Party to Densetsu no Otomari-kai
• Osu!! Karate Bu
• Otaku Elf
• Otaku no Seiza
• Otaku no Video
• Otaku-chans
• Otanjoubi Omedetou
• Otanoshimi Anime Gekijou
• Other Worlds
• Otherside Picnic
• Otherworldly Munchkin: Let's Speedrun the Dungeon with Only 1 HP!
• OTMGirls no YOKIYOKI Channel
• OTMGirls no YOKIYOKI Channel: Birthday special story
• Oto no Niwa
• Oto no Symphony
• Otoboku: Maidens are Falling for Me
• Otoboku: Maidens are Falling for Me 2
• Otogi Manga Calendar
• Otogi no Kuni no Birthday
• Otogi no Sekai Ryoko
• Otogi Zoshi: The Legend of Magatama
• Otogi-juushi Akazukin (OVA)
• Otohime CONNECTION
• Otoko Doahou! Koushien
• Otoko Ippiki Gaki Daishou
• Otoko wa Tsurai yo: Torajirou Wasurenagusa
• Otokogi
• Otome Chic
• Otome Game no Heroine de Saikyou Survival
• Otome Nadeshiko Koi Techou
• Otome wa Boku ni Koishiteru Special
• Otome wa Boku ni Koishiteru: Mittsu no Kiraboshi - The Animation
• Otome wa Boku ni Koishiteru: Mittsu no Kiraboshi - The Animation (2022)
• Otome Youkai Zakuro Picture Drama
• Otona Joshi no Anime Time
• Otona no Ikkyuu-san
• Otona no Ikkyuu-san 2
• Otoppe
• Otoppe: Papa Don't Cry
• Otose Thunder
• Otoshidama
• Otoshimono
• Otou-san
• Otousan wa Ai no Hito
• Otsucharisma! Bounenkai
• Otsukare-san
• Otsuki-sama to Kageboushi
• Otsukimi Recital
• Ottamagettan
• Ou-sama ni Natta Kitsune
• Ouma ni Notte
• Our 2
• Our Dating Story: The Experienced You and The Inexperienced Me
• Our Home's Fox Deity
• Our house / Notre maison
• Our Jury Story
• Our Last Crusade or the Rise of a New World
• Our Last Crusade or the Rise of a New World Season 2
• Our love has always been 10 centimeters apart.
• Ouran High School Host Club
• Ouritsu Uchuugun: Honneamise no Tsubasa - Pilot Film
• Ousama no Propose
• Ousama no Shippo
• Ousama Ranking Movie
• Ousama to Nightingale
• Ousu no Buu-chan
• Out of My Mind
• Out of Sight
• Out of Sight, Out of Mind
• Outbreak Company
• Outburst Dreamer Boys
• Outburst Dreamer Boys (TV)
• Outburst Dreamer Boys: It's the Destiny of Those Born as Men
• OUTLANDERS
• Outlaw Star
• Outlaw Star Pilot
• Outlaw Star Specials
• Outsider
• OVA Twin Angel: Twinkle Paradise
• Oval x Over
• Over a Drink
• Over Drive
• Over the Sky
• Over!
• Overd
• Overgeared
• Overlord
• Overlord II
• Overlord III
• Overlord IV
• Overlord Movie: Ple Ple Pleiades
• Overlord: Ple Ple Pleiades
• Overlord: Ple Ple Pleiades - Clementine Toubou-hen
• Overlord: Ple Ple Pleiades - Nazarick Saidai no Kiki
• Overlord: Ple Ple Pleiades 2
• Overlord: Ple Ple Pleiades 3
• Overlord: Ple Ple Pleiades 4
• Overlord: Ple Ple Pleiades Tokubetsu-hen
• Overlord: The Dark Hero
• OVERLORD: The Sacred Kingdom
• Overlord: The Undead King
• OVERMAN King Gainer
• OVERTAKE!
• Overtake! Extra
• Overtake! Extra Special Edition
• Owari no Chronicle
• Owarimonogatari
• Owarimonogatari Second Season
• Ox Tales
• Oxed-Man
• Oyako Club
• Oyama no Taishou
• Oyasumi
• Oyayubi hime
• Oyo Neko Bunyan
• Oyoge ya Oyoge
• OZ
• Oz.
• Ozanari Dungeon: Kaze no Tou
• Ozma
• OZMAFIA!!
• OZMAFIA!! Special

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