Anime with O
- one piece
- One punch man
- one punch man
- Overlord
- Orange
- Owari no seraph
- ouran highschool host club
- Ouran High School Host Club
- Occult Academy
- Owl
- Oreimo
- Overflow
- one outs
- One peice
- Odd Taxi
- Reklama
- Oregairu
- Oedo Rocket
- oshi no ko
- Outlaw Star
- Octopus
- Oh my goddess
- Ouran high school
- Owarimonogatari
- Otaku
- Orangutan
- Oishinbo
- Ore Monogatari
- Orochimaru
- Ouran Host Club
- oresuki
- ola
- Oda Nobuna no Yabou
- over
- Oliver
- one punch
- One pice
- opal
- oh my goddess!
- Osomatsu-san
- octonauts
- Ouran high
- oreshura
- Obito
- Oso
- Omega
- Over the Hedge
- Ostrich
- Ousama ranking
- osomatsu san
- Overload
- Oh! Super MILK Chan
- oragami
- olive
- oman
- oni-chan
- Orient
- Onimusha
- ochako
- Obey me
- omg
- Reklama
- olaf
- One Punchman
- Oran
- Onix
- olivia
- orangatang
- original
- Oran high school host club
- omar
- Oprah
- ocean
- Only
- orange is the new black
- Origin
- Out
- Oremonogatari
- on the town
- oscar the grouch
- Ocean waves
- Obsolete
- Obama
- Onegai teacher
- Open
- ookami shoujo
- Olie
- Othello
- Orphan
- One-Punch Man
- Ouran high host club
- one room
- opa
- one peace
- over the moon
- oliver twist
- only you
- oko
- Osomatsu
- Okashina Ichinichi
- Ochikobore Fruits Tarte
- Oku-sama wa Joshi Kōsei
Slová v zozname Anime with O pochádzajú od hráčov slovnej hry Meno, Mesto, Zviera, Vec.