Anime starting with O

312 series · page 1 of 2

• Obake no... Holly1991
• Obake no Q-tarou1965
• Obake no Q-tarou (1985)1985
• Oban Star-Racers20067.40
• Obey Me!7.17
• Obey Me!: Makai Dai Ryokou!
• Oblivion Battery20247.76
• Oblivion Battery: Jump Festa 2020 Special
• Oblivion Island: Haruka and the Magic Mirror7.25
• Obocchama-kun1989
• Observing Elena Evoy
• Occult Academy20107.03
• Occult Academy Specials
• Occultic;Nine20167.29
• Ocha-ken: Chokotto Monogatari2003
• Ochibi-san2023
• Ochi Mono RPG Seikishi Luvilias
• Oda Cinnamon Nobunaga20207.79
• Odd Number
• ODDTAXI20218.54
• Odekake Kozame2023
• Odekake Kozame Movie: Tokai no Otomodachi
• Odekake Kozame Movie: Tokai no Otomodachi x Yoru wa Neko to Issho Manner Eizou
• Oden-kun2005
• Odo
• Odoru Pompokolin (2019)
• Offering My Virginity to a Gangster
• Offside (TV)20017.29
• Ogre Slayer7.19
• Oh!!
• Ohayou! Spank19817.22
• Oh Boy, Was I Wrong About Her20267.80
• Ohedo Julia-Night
• Oh! Edo Rocket20077.63
• Oh! Family1986
• Oh! My Goddess (2011)7.29
• Oh! My Goddess: The Adventures of Mini-Goddess19987.09
• Oh! My Goddess (TV)20057.28
• Oh My Sex Goddess
• Oh, Suddenly Egyptian God7.83
• Oh, Suddenly Egyptian God 2
• Oide yo! Shiritsu Yarimakuri Gakuen
• Oishinbo19887.16
• Oishinbo: Kyuukyoku tai Shikou, Chouju Ryouri Taiketsu!!
• Oishinbo Pilot
• Oishinbo: The Japan-America Rice War
• Ojamajo Carnival!!
• Ojamajo Doremi: Heartwarming Theater
• Ojamajo Doremi OVA7.26
• Ojamajo Doremi: Owarai Gekijou7.25
• Ojamanga Yamada-kun1980
• Ojiichan wa Boku no Hero
• Ojii-san no Lamp7.34
• Ojisan and Marshmallow20167.73
• Ojisan de Umeru Ana The Animation
• Ojousama☆Yomeiri Kousou!
• Ojou to Banken-kun2023
• Okaimono Panda!2024
• Okamikakushi: Masque of the Wolf2010
• Okami-san and Her Seven Companions20107.45
• Okashi na Sabaku no Suna to Manu2021
• Okawari-Boy Starzan-S1984
• OKITSURA: Fell in Love with an Okinawan Girl, but I Just Wish I Know What She's Saying20257.52
• Okko's Inn20187.28
• Okusama ga Seitokaichou! OVA: Okusama Gekijou
• Okusama no Kaifuku Jutsu The Animation
• Okusama wa Michael
• O Light
• Omae wa Mada Gunma wo Shiranai: Reiwa-ban2026
• O Maidens in Your Savage Season20197.29
• Omamori Himari20107.62
• Omishi Mahou Gekijou: Risky★Safety19997.21
• Omoide wa Kireide
• Omoikou
• Omoi no Kakera
• Omoi, Omoware, Furi, Furare7.24
• Onaka ga Guuguu Island2024
• On A Paper Crane: Tomoko's Adventure
• Once Again
• Once Upon a Time
• Once Upon a Time... Life7.38
• Once Upon a Time... Space7.27
• Once Upon a Witch's Death20257.62
• Oneechan ga Kita2014
• Oneechan ga Kita: Hajimete no… Kitaa!
• Onee-chan Gokko2026
• Onegai AiPri2026
• Onegai My Melody20057.29
• Onegai♪My Melody Kirara★20087.26
• Onegai My Melody Sukkiri♪20077.27
• Onegai My Melody: Yuu & Ai
• Onegai! Samia Don1985
• Onegai☆Teacher: Experience
• Onegai☆Teacher: Reminiscence Disc7.19
• Onegai☆Twins: Relations
• One Hundred Thousand Bad Jokes
• One Hundred Thousand Bad Jokes 2
• One Hundred Thousand Years of Qi Refining20237.17
• One in a Billion
• One: Kagayaku Kisetsu e - True Stories
• One-Million Year Trip: Bander Book
• One Off
• One of Us
• One Outs20087.95
• ONE PIECE19998.40
• One Piece 3D2Y: Overcoming Ace's Death! Luffy's Pledge to His Friends
• One Piece 3D: Racing! Trap Coaster
• One Piece 3D: Straw Hat Chase7.02
• One Piece 4D
• One Piece: A Comprehensive Anatomy! Fierce Fight! The Five from the New Generation
• One Piece: A Comprehensive Anatomy! The Legend of Kozuki Oden!
• One Piece: Adventure in the Ocean's Navel
• One Piece: Adventure of Nebulandia
• One Piece: A Project to Fully Enjoy! `Surgeon of Death` Trafalgar Law
• One Piece: A Very Special Feature! Momonosuke's Road to Becoming a Great Shogun
• One Piece: Barto's Secret Room
• One Piece Characters Log
• One Piece: Chopper Kingdom of Strange Animal Island6.93
• One Piece: Cry Heart
• One Piece: Defeat the Pirate Ganzack!
• One Piece: Departure to the Starry Sky
• One Piece: Django's Dance Carnival7.15
• One Piece: Dr. Chopper's Adventure Checkup - Good Friends at a Crossroad
• One Piece: Dr. Chopper's Adventure Checkup - The Ballad of a Father and Daughter
• One Piece: Dr. Chopper's Adventure Checkup - The Proud Dream of the Giants
• One Piece: Dream Soccer King7.12
• One Piece Egghead Arc Recap
• One Piece: Emergency Planning, A Perfect Strategy for the One Piece
• One Piece: Episode of Alabasta - Prologue7.26
• One Piece: Episode of East Blue - Luffy and His Four Crewmates' Great Adventure
• One Piece: Episode of Luffy - Adventure on Hand Island
• One Piece: Episode of Merry - The Tale of One More Friend
• One Piece: Episode of Nami - Tears of a Navigator and the Bonds of Friends
• One Piece: Episode of Sabo - Bond of Three Brothers, A Miraculous Reunion and an Inherited Will
• One Piece: Episode of Skypiea
• One Piece Fan Letter
• One Piece Film: Gold - Cine Mike Popcorn Advertisement
• One Piece Film: Gold Episode 0 - 711 ver.
• One Piece: Glorious Island
• One Piece: Heart of Gold
• One Piece: Heroines
• One Piece in Love Festival Eve Special
• One Piece: Long Ring Long Land Arc
• One Piece: Making History! The Turbulent Old and New Four Emperors!
• One Piece: New Year's Special - The Secret of the Straw Hat Pirates!
• One Piece: Open Upon the Great Sea! A Father's Huge, HUGE Dream!
• One Piece: Protect! The Last Great Performance
• One Piece: Recapping Fierce Fights! Straw Hats vs. Tobi Roppo
• One Piece: Recapping Fierce Fights! The Countercharge Alliance vs. Big Mom
• One Piece: Recapping Fierce Fights! Zoro vs. a Lead Performer!
• One Piece: Romance Dawn Story - Recapping the TV Series So Far7.24
• One Piece: Take Aim! The Pirate Baseball King7.05
• One Piece: The Captain's Log of the Legend! Red-Haired Shanks!
• One Piece: The Detective Memoirs of Chief Straw Hat Luffy
• One Piece: The Log of the Rivalry! The Straw Hats vs. Cipher Pol
• One Piece: The Log of the Turbulent Revolution - The Revolutionary Army Maneuvers in Secret!
• One Piece: The Planetarium
• One Piece: Unwavering Justice! The Navy's Proud Log!
• One Pound Gospel
• One-Punch Man20158.23
• One-Punch Man: Get It All in One Punch!
• One Room, Hiatari Futsuu, Tenshi-tsuki.2024
• One Room: Third Season2020
• Oneshota The Animation
• One's Mind
• One Step Towards Freedom
• One Stormy Night7.36
• One Stormy Night: Secret Friends2012
• One Two Three
• One Way or Another
• One Week Friends20147.39
• ON-GAKU: OUR SOUND7.40
• On Happiness Road
• OniAi2012
• OniAi Specials
• Oni Chichi 2
• Oni Chichi 2: Harvest
• Oni Chichi 2: Revenge
• Oni Chichi: Re-birth
• Oni Chichi: Re-born
• Oni Chichi: Rebuild
• Oni Chichi: Refresh♥
• Oni Chichi: Vacation
• ONIHEI20177.19
• Onihei OVA7.22
• Oniichan no Koto nanka Zenzen Suki ja Nai n da kara ne!! Special
• Onikemodance
• ONIMAI: I'm Now Your Sister!20237.44
• Onimusha7.06
• Onipan!2022
• Oni: Thunder God's Tale
• Only Yesterday7.45
• Onmyoji7.12
• Onmyo Kaiten Re:Birth Verse20257.55
• Onna no Sono no Hoshi
• Onomatopoeia Rap: Natsu Asobi-hen
• Ontama!7.22
• On The Edge
• On The Edge: Journey into the Mortal World
• On The Edge Specials
• On the Stage
• Ontology
• On Your Mark
• Ookami Heart
• Ookami Shoujo to Kuro Ouji Recap
• Ookami Shounen Ken1963
• Open the Window
• Operation Han-Gyaku-Sei Million Arthur2019
• Oppai Gakuen Marching Band-bu!
• Oppai Heart: Kanojo wa Kedamono Hatsujouki!?
• Oppai Infinity∞! The Animation
• Opus.COLORs2023
• Oracle
• Orange7.68
• Orb
• Orb: On the Movements of the Earth20248.29
• Orchestra of Smiles!
• Ore ga Kanojo wo *su Wake
• Ore ga Ojousama Gakkou ni "Shomin Sample" Toshite Gets♥Sareta Ken Specials
• Oreimo20107.11
• OreImo 2 Specials
• Oreimo Animated Commentary
• Ore no Imouto ga Konnani Kawaii Wake ga Nai.: Ore no Imouto ga Konnani Eroge na Wake Nai
• Ore no Imouto ga Konnani Kawaii Wake ga Nai.: SD Chara ni Yoru Short Movie
• Oresama Kingdom7.21
• Oreshura20136.82
• ORESUKI: Are you the only one who loves me?20197.27
• ORESUKI Are you the only one who loves me? - I Politely Move Things Forward
• Ore, Tsushima2021
• Ore wa Chokkaku1991
• Ore wa Kanojo wo Shinjiteru!
• Orgasm Anthem
• Orient20227.50
• Oriental Martial Academy2026
• Origami Warriors
• Original (2021)
• Origin: Spirits of the Past7.45
• Ori-Princess2011
• Orphen19987.05
• Orpheus
• Oruchuban Ebichu19997.32
• Osamu Tezuka's Last Mystery of the 20th Century
• Osananajimi ga Zettai ni Makenai Love Comedy2021
• Oscar's Oasis2011
• Oseam7.28
• Oshaburi Announcer
• Oshiete Mahou no Pendulum: Rilu Rilu Fairilu2018
• Oshin
• Oshi No Ko20238.45
• Oshiri Dandy the Young2026
• Osomatsu-kun19667.22
• Osomatsu-kun (1988)19887.23
• Osomatsu-san2025
• Osomatsu-san: An Anecdote with Horses
• Osomatsu-san: Hipipo-Zoku to Kagayaku Kajitsu
• Osomatsu-san Movie: Gekijou Koukai Kinen - Original Tanpen Gekijou
• Osomatsu-san: Tamashii no Takoyaki Party to Densetsu no Otomarikai
• Otaku Elf20237.21
• Otaku ni Yasashii Gal toka, Kyonyuu no Osananajimi toka.
• Otaku no Video7.18
• Otherside Picnic20217.81
• Otherworldly Evil Monarch
• Other Worlds
• Otoboku: Maidens are Falling for Me20066.99
• Otoboku: Maidens are Falling for Me! Special
• Otogi
• Otogi Juushi Akazukin OVA7.22
• Otogi Zoshi: The Legend of Magatama20047.19
• Otoko Ippiki Gaki Daishou1969
• Otome Chibaku Yuugi
• Otome*Domain The Animation
• Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... Voice Drama
• Otome Juurin Yuugi: Maiden Infringement Play
• Otome wa Boku ni Koishiteru: Futari no Elder The Animation7.08
• Otome Youkai Zakuro Picture Drama
• Otona Joshi no Anime Time
• Otona no Bouguya-san2021
• Otousan wa Ai no Hito7.27
• Otsukimi Recital
• Ouran High School Host Club20068.06
• Our Dating Story: The Experienced You and The Inexperienced Me20237.40
• Our Home's Fox Deity20087.15
• Our Last Crusade or the Rise of a New World20207.23
• Our Little Pond
• Our love has always been 10 centimeters apart.20177.18
• Ours
• Outbreak Company20137.12
• Outburst Dreamer Boys20196.98
• Outburst Dreamer Boys: It's the Destiny of Those Born as Men7.14
• Outlaw Star7.45
• Out of Sight7.19
• Outpost: Off-Duty Tales7.19
• Overd
• Over Drive20077.32
• Over Goddess
• Overkill
• Overlord20157.90
• Overlord Movie: Manner Movie
• Overlord Movie: Ple Ple Pleiades
• Overlord: Ple Ple Pleiades