- Nogizaka Haruka no Himitsu Finale ♪
- Ima, Soko ni Iru Boku
- Oban Star-Racers
- Oda Nobuna no Yabou
- Norn9: Norn+Nonet
- Ojamajo Doremi
- Noobow: Na Kokoro
- Odd Taxi Movie: In the Woods
- Occultic;Nine
- Okama Hakusho
- Oishinbo: Kyuukyoku tai Shikou, Chouju Ryouri Taiketsu!!
- Ojamajo Doremi: Owarai Gekijou
- Oda Cinnamon Nobunaga
- Nu Wushen de Canzhuo
- Nurse Angel Ririka SOS
- Nyoro-n Churuya-san
- Okane ga Nai
- Nu Wushen de Canzhuo II
- Ocha-ken: Chokotto Monogatari
- Nurse Witch Komugi-chan Magikarte
- Offside (TV)
- Ojou to Banken-kun
- Ojamajo Doremi Sharp Movie
- Ohayou! Spank
- Oira Sukeban
- Ojamajo Doremi Sharp
- Ochibi-san
- Ochame na Futago: Claire Gakuin Monogatari
- Ojamajo Doremi Na-i-sho
- number24
- Oishinbo: Nichibei Kome Sensou
- Nurarihyon no Mago OVA
- Seikimatsu Occult Gakuin
- Null Peta
- Oh! Edo Rocket
- Obey Me! Season 2
- Ojisan to Marshmallow
- Ochamegami Monogatari: Korokoro Pollon
- Nurarihyon no Mago
- Nyanbo!
- Obake Zukan
- Nyanpire The Animation
- Oh! Super Milk-chan
- Ojiisan no Lamp
- Odd Taxi
- Nuiguru Papa
- Ojousama Sousamou
- Obsolete
- Ojamajo Doremi Dokkaan!
- Oedo wa Nemurenai!
