- Oval x Over
- Outbreak Company
- Oushitsu Kyoushi Heine
- Otona no Bouguya-san
- Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... X
- Overlord III
- OTMGirls no Yokiyoki Channel
- Otogi Juushi Akazukin
- Otogizoushi
- Overlord: Ple Ple Pleiades - Clementine Toubou-hen
- Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta...
- Outlanders
- Ougon Senshi Gold Lightan
- Otokogi
- Kidou Keisatsu Patlabor 2 the Movie
- Otoko Ippiki Gaki Daishou
- Otome Youkai Zakuro
- Ou Dorobou Jing in Seventh Heaven
- Kidou Keisatsu Patlabor: On Television
- Patalliro!
- Ozma
- Papillon Rose
- Paradise Kiss
- Pan de Peace!
- Pale Cocoon
- Kidou Keisatsu Patlabor: New OVA
- Paradox Live the Animation
- Parappa the Rapper
- Overman King Gainer
- Overtake!
- Panyo Panyo Di Gi Charat
- Oyayubi Hime Monogatari
- Papa no Iukoto wo Kikinasai! OVA
- Paris no Isabelle
- Patalliro Saiyuuki!
- Pandora to Akubi
- Paripi Koumei: Road to Summer Sonia
- Paripi Koumei
- Kidou Keisatsu Patlabor the Movie
- Pac-World
- Owarimonogatari 2nd Season
- Owari no Seraph: Kyuuketsuki Shahar
- Pachislo Kizoku Gin
- Ozmafia!!
- Ozanari Dungeon: Kaze no Tou
- Papa to Kiss in the Dark
- Paniponi Dash!: Danjite Okonaeba Kishin mo Kore wo Saku
- Panty & Stocking with Garterbelt
- Panty & Stocking in Sanitarybox
- Pankunchi
