Movies logged featuring Akio Otsuka| Nadia: The Secret of Blue Water - Nautilus Story III | Mahiro Maeda, Hideaki Anno, Masayuki, Shinji Higuchi, Mori Takeshi, Renji Kawabata, Shigeto Makino, Tadayuki Uda, Hiromitsu Hoshino | 1991 | No | N/A |
| Naruto the Movie: Guardians of the Crescent Moon Kingdom | Toshiyuki Tsuru | 2006 | No | N/A |
| Nasu: A Migratory Bird with Suitcase | Kitarô Kôsaka | 2007 | No | N/A |
| Night Warriors: Darkstalkers' Revenge | Masashi Ikeda, Satoshi Ikeda | 1997 | No | N/A |
| Nitaboh | Akio Nishizawa | 2004 | No | N/A |
| One Piece: Baron Omatsuri and the Secret Island | Mamoru Hosoda | 2005 | No | N/A |
| One Piece: Stampede | Takashi Ōtsuka | 2019 | No | N/A |
| Onimusha | Takashi Miike, Shinya Sugai | | No | N/A |
| Osamu Tezuka's Last Mystery of the 20th Century | Satoshi Kuwabara | 2000 | No | N/A |
| Otaku no Video | Shôichi Masuo, Mori Takeshi | 1991 | No | N/A |