| Number | Poster | Title | Total Episode | Status | Type | Detail |
|---|---|---|---|---|---|---|
| 6975 | |
Occult Academy | 13 | Completed | TV Series | |
| 6976 | |
Occultic;Nine | 12 | Completed | Fall 2016 Anime | |
| 6977 | |
Ocean Waves | 1 | Completed | Episodes | |
| 6978 | |
Ocha-ken: Chokotto Monogatari | 26 | Completed | TV Series | |
| 6979 | |
Ochame na Futago: Claire Gakuin Monogatari | 26 | Completed | TV Series | |
| 6980 | |
Ochamegami Monogatari: Korokoro Pollon | 10 | Completed | TV Series | |
| 6981 | |
Ochibi-san | 24 | Ongoing | Fall 2023 Anime | |
| 6982 | |
Ochikobore Fruit Tart | 12 | Ongoing | Fall 2020 Anime | |
| 6983 | |
Oda Cinnamon Nobunaga | 12 | Ongoing | Winter 2020 Anime | |
| 6984 | |
Oda Nobuna No Yabou | 12 | Completed | TV Series | |
| 6985 | |
Odd Taxi | 13 | Ongoing | Spring 2021 Anime | |
| 6986 | |
Odd Taxi Movie: In the Woods | 1 | Completed | Movie | |
| 6987 | |
Odekake Kozame | 60 | Ongoing | ONA | |
| 6988 | |
Odekake Kozame × Chiba-ken Kuro Ajillo | 1 | Completed | Special | |
| 6989 | |
Odin: Koushi Hansen Starlight | 1 | Completed | Movie | |
| 6990 | |
Oedo wa Nemurenai! | 1 | Completed | OVA | |
| 6991 | |
Offside (TV) | 39 | Completed | TV Series | |
| 6992 | |
Oh! Edo Rocket | 26 | Completed | TV Series | |
| 6993 | |
Oh! Family | 3 | Completed | TV Series | |
| 6994 | |
Oh! Super Milk-chan | 13 | Completed | TV Series | |
| 6995 | |
Ohayou! Spank | 50 | Completed | ONA | |
| 6996 | |
Oide yo Mahou Shoujo Mura (Fuhou Senkyo) | 7 | Ongoing | TV Show | |
| 6997 | |
Oira Sukeban | 1 | Completed | OVA | |
| 6998 | |
Oira Uchuu no Tankoufu (Dub) | 2 | Completed | Episodes | |
| 6999 | |
Oishinbo | 55 | Completed | TV Series |