Kobayashi Yuu roles
Anime
Yuu has done the following roles in anime.
| B Gata H Kei [2010] | Kanejou Kyouka |
| Basquash [2009] | Crawley |
| Candy Boy [2008-2009] | Sakurai Shizuku |
| Choujigen Game Neptune [2013] | Kisejiu Rei |
| Classroom Crisis [2015] | Angelina |
| Denkigai no Honyasan [2014] | Erohon G-men |
| Dragonaut -The Resonance | Kakei Ryouko |
| Duel Masters VSR [2015] | Dewey Mouse |
| Ginga he Kickoff! [2012] | Ohta Shou |
| Gintama | Sawatari Ayame |
| Haifuri (High School Fleet) [2016] | Noma Machiko |
| Higurashi no Nakukoroni Kai [2007] | Houjou Satoshi |
| Hyakka Ryouran Samurai Girls [2010] | Gotou Matabei |
| Itsudatte My Santa [2005] | Sharry |
| Jigoku Shoujo | Ryoko's friend |
| Jigoku Shoujo | Kirino Saki |
| Kaichou ha Maid-sama [2010] | Kaga Shizuko |
| Kami Nomizo Shiru Sekai 2 [2011] | Hatori Yuu |
| Kami Nomizo Shiru Sekai [2010] | Hatori Yuu |
| Koufuku Graffiti [2015] | Tsuyuko |
| Macademi Wasshoi [2008] | Synclavia |
| Madan no Ou to Vanadis [2014] | Elizabetta Fomina |
| Mahou-sensei Negima (TV) [2005-2006] | Sakurazaki Setsuna (15) |
| Mahou-sensei Negima Anime Final [2011] | Sakurazaki Setsuna (15) |
| Maria Holic | Shidou Mariya |
| Monster Musume no Iru Nichijou [2015] | Smith |
| Nyan Koi! [2009] | Ichinose Nagi |
| Prism Ark [2007] | Maitel |
| Saint October [2007] | Misaki |
| Samurai 7 [2004] | Shino |
| Sayonara Zetsubou-sensei | Kimura Kaere |
| School Girl Strikers [2017] | ? |
| School Rumble | Lala Gonzalez |
| Senran Kagura [2013] | Katsuragi |
| Servant x Service [2013] | Hasebe Kaoru |
| Shouwa Genroku Rakugo Shinjuu Sukeroku Futatabihen [2017] | Konatsu |
| Somali to Mori no Kamisama [2020] | Kikila |
| Sora no Woto [2010] | Kazumiya Rio |
| Starship Operators [2005] | Minase |
| Steins Gate [2011] | Urushibara Ruka |
| Takahashi Rumiko Gekijou [2003] {Episode 6} | female high school student |
| Tantei Opera Milky Holmes [2010-2012] | Kate |
| Umineko no Nakukoroni [2009] | Kanon |
Games
Yuu has done the following roles in games.
| 8 Gatsu no Cinderella Nine [smartphone] | Hifumi Yuri |
| Akaneiro ni Somaru Saka Portable [PSP] | Fujimiya Aya |
| Arknights [smartphone] | Waai Fu |
| Kodomo ni Anshin site Ataerareru Game Series Sekai Meisaku Douwa Oyako de Yomeru Game Ehon Bouken-hen [N3DS] | reading Rip Van Winkle |
| Mahou-sensei Negima! 1Jikanme [Playstation2] | ? |
| OverHit [smartphone] | Vais |
| Tsukumonogatari [PSP] | Abe Ayaka |
Drama
Yuu has done the following roles in audio drama.
| Kaichou ha Maid-sama! [CD] | Kaga Shizuko |
| MC Akushizu Drama CD Bishoujo Heiki F-X ha Ore no Yome! [CD] | Euro Fighter Typhoon |