| La Madrague “Country of Westering Sun” | | Yuki HAYASHI | 2017 | 5:00 Min. | Nippon Animation | 2018 |
| Lady Nosferatu | 少女ノスフェラトゥ | Chinami TANIGUCHI | 2017 | 6:10 Min. | Nippon Animation | 2017 |
| Land | ランド | Masanobu HIRAOKA | 2013 | 3:30 Min. | Nippon Animation | 2015 |
| Leaking Life | | Shunsaku HAYASHI | 2019 | 15 Min. | Nippon Animation | 2021 |
| lilac (bombs Jun Togawa) | | ONIONSKIN | 2015 | 4:13 Min. | Nippon Animation | 2018 |
| Liminal Park | | Moe KISHIMOTO | 2022 | 4 Min. | Nippon Animation | 2022 |
| Little Nemo – Abenteuer im Schlummerland | リトル・ニモ | Masami HATA, William T. HURTZ | 1989 | 84 Min. | Nippon Animation | 2024 |
| Live Or Let Live | | Yoko ASANO | 2018 | 8:48 Min. | Nippon Animation | 2018 |
| Liz And The Blue Bird | リズと青い鳥 | Naoko YAMADA | 2018 | 90 Min. | Nippon Animation | 2019 |
| Locomotor | | Isaku KANEKO | 2019 | 3 Min. | Nippon Animation | 2021 |
| Lonely Castle In The Mirror | かがみの孤城 | Keiichi HARA | 2022 | 116 Min. | Nippon Animation | 2023 |
| Lonesome Hero | ひとりぼっちのヒーロー | Manami WAKAI | 2014 | 7:40 Min. | Nippon Animation | 2014 |
| LOVE-HATE RELATIONSHIP | | Sarina NIHEI | 2012 | 3 Min. | Nippon Animation | 2020 |
| Lu Over the Wall | 夜明け告げるルーのうた | Masaaki YUASA | 2017 | 107 Min. | Nippon Animation | 2018 |
| Lupin III: The First | ルパン三世 THE FIRST | Takashi YAMAZAKI | 2019 | 93 Min. | Nippon Animation | 2021 |
| Macky and Eucky in Midnight Gallery | | Rushio MORIYAMA | 2015 | 8 Min. | Nippon Animation | 2016 |
| Mad Love | | Ryoji YAMADA | 2017 | 3:16 Min. | Nippon Animation | 2018 |
| Magnified City | | Isaku KANEKO | 2022 | 12 Min. | Nippon Animation | 2023 |
| Mary And The Witch's Flower | メアリと魔女の花 | Hiromasa YONEBAYASHI | 2017 | 102 Min. | Nippon Animation | 2018 |
| Mayumi | まゆみ | Chinami TANIGUCHI | 2016 | 5:36 Min. | Nippon Animation | 2016 |
