Films
| Film Title | Japanese | Director | Year | Duration | Section | Editions |
|---|---|---|---|---|---|---|
| OMOHIDE | Tomoyasu MURATA | 2001 | 4:30 Min. | Nippon Digital | 2003 | |
| On & On | Akihiko TANIGUCHI | 2016 | 5:30 Min. | Nippon Animation | 2018 | |
| On A Boat | オン・ア・ボート | HESO | 2024 | 32 Min. | Nippon Visions | 2025 |
| On A Wednesday Night In Tokyo | Jan VERBEEK | 2004 | 5:35 Min. | Nippon Digital | 2005 | |
| On Eye Rape | 視姦について | Takahiko IIMURA | 1962 | 12 Min. | Nippon Visions | 2026 |
| On the Road Forever | 無宿者 | Kenji MISUMI | 1964 | 89 Min. | Nippon Retro | 2018 |
| On Time Off Time | Hirotoshi IWASAKI | 2020 | 9 Min. | Nippon Animation | 2022 | |
| ON-GAKU: Our Sound | 音楽 | Kenji IWAISAWA | 2019 | 71 Min. | Nippon Animation | 2021 |
| Ondine's Curse | オンディーヌの呪い | Sayaka KAI | 2014 | 30 Min. | Nippon Visions | 2016 |
| One | Kazufumi YOSHIDA | 2006 | 7 Min. | Nippon Digital | 2009 | |
| One Cut of the Dead | カメラを止めるな! | Shinichiro UEDA | 2017 | 96 Min. | Nippon Visions | 2018 |
| One Day, You Will Reach The Sea | やがて海へと届く | Ryutaro NAKAGAWA | 2022 | 126 Min. | Nippon Visions | 2022 |
| One Hundred Realities / Chateau Marmont | Shinya SATO | 2010 | 3:25 Min. | Nippon Visions | 2012 | |
| One Million Yen Girl | 百万円と苦虫女 | Yuki TANADA | 2008 | 121 Min. | Nippon Cinema | 2010 |
| One Minute Walk To Love In Cosplay | 徒歩1分のコス | Ryosuke TANAKA | 2022 | 15 Min. | Nippon Visions | 2023 |
| One Night | ひとよ | Kazuya SHIRAISHI | 2019 | 123 Min. | Nippon Cinema | 2021 |
| onedotzero presents: Lens Flare 01 | (not set) | 2001 | Min. | (not set) | 2002 | |
| Onibaba | 鬼婆 | Kaneto SHINDO | 1964 | 103 Min. | Nippon Retro | 2016 |
| Only On Mondays | 月曜日のユカ | Ko NAKAHIRA | 1964 | 94 Min. | Nippon Retro | 2014 |
| Onmitsu Lolipop | Takeshi IMURA | 2004 | 24 Min. | Nippon Digital | 2005 |