| A2 | | Tatsuya MORI | 2001 | 131 Min. | Nippon Digital | 2002 |
| A2-B-C | | Thomas Ash | 2013 | 70 Min. | Nippon Visions | 2013 |
| A4 Microcosm | | Haruka SHIMIZU | 2018 | 2:22 Min. | Nippon Animation | 2018 |
| Abnormal Family: Older Brother's Bride | | Masayuki SUO | 1984 | 62 Min. | Nippon Retro | 2009 |
| About The Pink Sky | ももいろそらを | Keiichi KOBAYASHI | 2011 | 113 Min. | Nippon Visions | 2012 |
| Abraxas | | Naoki KATO | 2010 | 113 Min. | Nippon Cinema | 2011 |
| ABYSS | ABYSS アビス | Ren SUDO | 2023 | 105 Min. | Nippon Visions | 2024 |
| Acidman | | Isao NISHIGORI | 2004 | 16:14 Min. | Nippon Digital | 2005 |
| Action Direct | | Takashi MAKINO | 2015 | 45 Min. | Nippon Cinema | 2016 |
| Add To Stories | ストーリーズに追加 | Nina TSUJI | 2023 | 4 Min. | Nippon Animation | 2024 |
| Adom Kadamon | | Masahiro OSUKA | 2006 | 3:17 Min. | Nippon Digital | 2010 |
| Adrenaline Drive | アドレナリン・ドライブ | Shinobu YAGUCHI | 1999 | 111 Min. | Nippon Cinema | 2003 |
| Aerial Momotaro | | Yasuji MURATA | 1931 | 10 Min. | Nippon Retro | 2004 |
| Affordance | | Hayato NOVE | 2015 | 18:26 Min. | Nippon Animation | 2017 |
| Affordance | | Hiroyuki OKUI | 2002 | 3 Min. | Nippon Digital | 2003 |
| African Kung Fu Nazis II – Bum Bum! | アフリカン・カンフー・ナチス２ ブンブン | Sebastian STEIN, Samuel K. NKANSAH | 2024 | 99 Min. | Nippon Visions | 2025 |
| After Hours | | Tatsuo KOBAYASHI | 2015 | 15 Min. | Nippon Visions | 2017 |
| After Ten Thousand Years | | Isao OKISHIMA | 2007 | 77 Min. | Nippon Digital | 2008 |
| After The Sunset | 夕陽のあと | Michio KOSHIKAWA | 2019 | 133 Min. | Nippon Cinema | 2020 |
| Agitated Screams Of Maggots | | Keita KUROSAKA | 2007 | 4 Min. | Nippon Digital | 2007 |
