| What's that ? | | Kenji YOKOI | 2006 | 7:22 Min. | Nippon Digital | 2008 |
| What You Taught Me About My Son | | Takuya MARUYAMA | 2014 | 59 Min. | Nippon Visions | 2017 |
| What They Believe | アンケート | Shoko HARA | 2016 | 10:20 Min. | Nippon Animation | 2016 |
| What The Snow Brings | | Kichitaro NEGISHI | 2005 | 112 Min. | Nippon Cinema | 2006 |
| What Should We Have Done? | どうすればよかったか？ | Tomoaki FUJINO | 2023 | 102 Min. | Nippon Docs | 2024 |
| What She Likes... | 彼女が好きなものは | Shogo KUSANO | 2021 | 121 Min. | Nippon Cinema | 2022 |
| What happens before war? | | NoddIN | 2015 | 8 Min. | Nippon Visions | 2017 |
| What Do You Think About the War Responsibility of Emperor Hirohito? (Part Yasukuni, Aug. 15, 1996) | あなたは天皇の戦争責任についてどう思いますか？ （96.8.15 靖国篇） | Yutaka TSUCHIYA | 1997 | 53 Min. | Nippon Digital | 2000 |
| What Can You Do About It? | だってしょうがないじゃない | Yoshifumi TSUBOTA | 2019 | 119 Min. | Nippon Docs | 2020 |
| What A Wonderful World | すばらしき世界 | Tatsuya ISHII | 2018 | 41 Min. | Nippon Visions | 2020 |
| Wet Woman In The Wind | 風に濡れた女 | Akihiko SHIOTA | 2016 | 78 Min. | Nippon Cinema | 2017 |
| Werft die Bücher weg, geht auf die Straße | | Shuji TERAYAMA | 1971 | 119 Min. | Nippon Retro | 2003 |
| Well, That's Glasses | | Atsushi WADA | 2007 | 5:40 Min. | Nippon Digital | 2009 |
| Weekend Blues | | Kenji UCHIDA | 2002 | 111 Min. | Nippon Digital | 2003 |
| Wedding Anniversary | | Takafumi SAKABE | 2021 | 7 Min. | Nippon Visions | 2023 |
| Weather Map | | Nana KAWABATA | 2021 | 9 Min. | Nippon Visions | 2021 |
| We’re Millennials. Got A Problem?: The Movie | 映画『ゆとりですがなにか インターナショナル』 | Nobuo MIZUTA | 2023 | 117 Min. | Nippon Cinema | 2024 |
| We’ll Water Them So They Don’t Fossilize And Also Expose Them To Light | 化石にならないように水を与えるし、光にもあててあげよう。 | Yuka ABE | 2022 | 4 Min. | Nippon Animation | 2023 |
| We Made A Beautiful Bouquet | 花束みたいな恋をした | Nobuhiro DOI | 2020 | 124 Min. | Nippon Cinema | 2022 |
| We Love Music [River Speakers] | | Jun ONUMA | | Min. | Nippon Digital | 2002 |
