- O MUNDO INVERTIDO
- O Outro Lado do Barranco
- O Primeiro Anime
- O Que Vier!
- O Setimo Hokage
- O-talku!
- O.K. Nerd Podcast
- OdaVision
- Off Senter Thoughts
- Off The Cuff
- Off The Pages
- Off-Camera
- Offbeat Duo Podcast
- OFK (Os Outros Filhos de Kido)
- Oh My Anime! Podcast
- Ohayou Podcast
- OhayouAnime Podcast
- Ohdenn Podcast
- Ohh Shoot
- OHNE WERTUNG
- OhrTaku - Der Manga & Anime Podcast
- Oi
- OISHII-CAST
- OKAERI!
- Okamicast
- Okari Podcast
- Okashi Na Podcast: Anime With Friends!
- Okay, Abigeen
- Okina Kokorotaku
- Old School Cartoons With Friends Podcast
- Omaweah Podcasto
- Omegacast
- Omoshiroi
- Omoshiroi - Un podcast otaku
- Omoshiroi - Un Podcast Otaku
- On Sundays We Watch Anime
- On Time!
- On-Air With Aar-On
- On-Fleek
- One Be
- One For All - A My Hero Academia Podcast
- One Man, One Piece
- One Media One Media
- One More Prime
- One Piece Brothers
- One Piece Characters
- One Piece Daily
- ONE PIECE Fact-Checking
- One Piece I Podcast D Ace
- One Piece Manga Podcast
- One Piece Pirate Crew
- ONE PIECE RADIO
- One Piece Recap
- One Piece Virgin Podcast
- One Piece Voyagers
- One Piece: Gomu Gomu No Review
- ONE PINK CAST
- One Podcast
- One Punch Man Podcast
- One Take Live
- One-Punch Fan
- ONE-RANT-PIECE
- ONE-RANT-PIECE
- OnePieceNakama
- OnesiePiece
- Ongaku Otaku Podcast
- Onigiri Podcast
- Onigoro
- Only The Avatar: An Avatar The Last Airbender Rewatch
- Onyx Equinox: A Companion Podcast
- OP is OP!
- Operation: Hero Talk
- Opinión Impopular
- Oppai Oppai Weebs & Geeks Podcast
- Optimus PrimeTime
- Ora de Anime
- Orackalestikes
- Oriente Express
- Os Ani+
- Os Codo
- Oshioki Yo!
- OSMcast! Anime, Games, Interviews, & More!
- OST
- Otacast - O Podcast do Canal Otaken
- Otacos Mañosos
- Otafest Podcast
- Otafu Susume
- Otak Radio
- Otak'Jam
- OTAKOCAST
- Otakopinions
- OTAKRUW
- Otaku - Pazzi per le sigle
- Otaku and the Noob
- Otaku Boujee
- Otaku Cantik
- Otaku Cinema Cinema
- Otaku Cinéfilo
- Otaku Club - Podcast Manga & Culture Japonaise
- Otaku Culto Podcast
- Otaku Dive
- Otaku dubs: 2da cuenta
- Otaku en cuarentena
- Otaku Fight Night
- OTAKU FOREVER
- Otaku Guild
- Otaku Host Club
- Otaku Hourly
- Otaku Life
- OTAKU LIMPIO
- Otaku Melancholy
- Otaku Nation
- Otaku no Ie - A casa do Otaku em Podcast
- Otaku no Kissaten
- Otaku O'Clock
- Otaku OP
- Otaku Otalku!
- Otaku Outcasts
- Otaku Outsiders
- Otaku Pitstop
- Otaku PodCHäschtli
- Otaku Puppy Podcast
- Otaku Radio Cast
- Otaku Re:Ql
- Otaku Ryōhō
- Otaku Sensei
- Otaku stone
- Otaku Street
- Otaku Strike
- Otaku Summit
- Otaku Talk
- Otaku Tavern
- Otaku View
- Otaku Weekly
- Otaku's Cafè
- Otaku-land
- Otaku-sama's Tentacle Podcast
- OtakuBox
- Otakucast
- OtakuCast
- OtakuCAST
- Otakucast
- OTAKUCAST
- OtakuCheckpoint
- OtakuDadPodcast
- OtakuDeClóset
- OtakuIRL
- Otakuology
- Otakus Cast
- Otakus de plantão
- Otakus en sincronía!
- Otakus Explain
- Otakus Opinando
- Otakus Perdido o podcast
- Otakus Welt
- Otakut
- OtakuTòk
- Otakuverso
- OtakuVisión Podcast
- OtakuWorld
- Otakuyaki Podcast
- Otaku’s Delight
- Otalku Force
- Otalku Podcast
- Other World Of Ideas
- Ottis Unleashed - Comic Podcast
- Our Lie in April
- Our Ramen Host Club
- Ouroboros Radio (todo sobre comics)
- Out of Gamut
- Out of the Drying Pan: A Pokémon The Series Podcast
- Out the Ether
- Outcast a fumetti
- Outra Dimensão
- Outside The Library Podcast
- Ouve Aí No Flashback
- OVA Club
- OVAttic: Assorted Anime Obscurities
- Ovelha Elétrica
- Over 9000!
- Over Soul: Shaman King Podcast
- Overloaded Trouble
- OverMangaCast
- Overtime Izakaya