Hikasa Youko roles
Anime
Youko has done the following roles in anime.
| Aku no Hana [2013] | Saeki Nanako |
| Arifureta Shokugyou de Sekai Saikyou [2019-2022] | Tio Klarus |
| Asura Cryin' [2009] | Kotori |
| Asura Cryin' [2009] | Shioizumi Ritsu |
| Bang Dream 2nd Season [2019] | Udagawa Tomoe (Afterglow) |
| Boku ha Tomodachi ga Sukunai Next [2013] | Hidaka Hinata |
| Chuu Bra [2010] | Amahara Kiyono |
| Cuckoo no Iinazuke [2022] | Umino Namie |
| Demi-chan ha Kataritai [2017] | Satou Sakie |
| Dog Days [2011-2012] | Briocche Darkian |
| Dog Days" [2015] | Briocche Darkian |
| Dungeon ni Deai wo Motomerunoha Machigatteiru darouka [2015-2016] | Freya |
| Frame Arms Girl [2017] | Gennai Ao |
| Fuuka [2017] | Tomomi-sensei |
| Genjitsu no Yohane -Sunshine in the Mirror- [2023] | Lailaps |
| Girl Friend (kari) [2014] | Shinomiya Risa |
| Girls Band Party Pico [2018-2020] | Udagawa Tomoe (Afterglow) |
| Hal [2013] | Kurumi |
| Hataraku Maou-sama [2013] | Yusa Emi |
| Hayate no Gotoku Can't Take My Eyes Off You [2012] | Tsurugino Kayura |
| Hayate no Gotoku Cuties [2013] | Tsurugino Kayura |
| Hibike! Euphonium [2015] | Saitou Aoi |
| High School DxD [2012] | Rias Gremory |
| High School DxD BorN [2015] | Rias Gremory |
| Infinite Stratos 2 [2013] | Shinonono Houki |
| Infinite Stratos [2011] | Shinonono Houki |
| K-On [2009-2010] | Akiyama Mio |
| K-On Movie [2010] | Akiyama Mio |
| Kage no Jitsuryokusha ni Naritakute [2022] | Iris Midgar |
| Kanojo ga Flag wo Oraretara [2014] | Eiyuuzaki Rin |
| Keijo [2016] | Kobayagawa Miku |
| Kore ha Zombie Desuka [2011] | Sera |
| Kore ha Zombie Desuka Of The Dead [2012] | Sera |
| Love Live Nijigasaki Gakuen School Idol Doukoukai [2020-2022] | Mifune Kaoruko |
| Macross Delta [2016] | Claire Puddle |
| Manyuu Hikenchou [2011] | Oume |
| Meitantei Conan (Detective Conan) {2012 Natsu no Kaitou Kid Matsuri} | Jody Hopper |
| New Game [2016-2017] | Yagami Kou |
| No Game No Life [2014] | Stephanie Dora |
| Nogizaka Haruka no Himitsu [2008-2009] {Purezza} | Kayahara Yayoi |
| Okashi no Tensei [2023] | Brioche Salgret Mill Leteche |
| Ore Twintail ni Narimasu [2014] | Iisuna Anko (Tail Black) |
| Phantasy Star Online 2 The Animation [2016] | Echo |
| Re:Creators [2017] | Alisteria February |
| Rio Rainbow Gate [2011] | Linda |
| Rou Kyuu Bu [2011] | Nagatsuka Saki |
| Rou Kyuu Bu SS [2013] | Nagatsuka Saki |
| Saredo Tsumibito ha Ryuu to Odoru [2108] | Jivunya Lorezzo |
| Seikon no Qwaser [2010] | Katsuragi Hana |
| Seirei Tsukai no Blade Dance [2014] | Restia Ashdoll |
| Sengoku Collection [2012] | Mitsuhide Akechi |
| Senki Zesshou Symphogear AXZ [2017] | Maria Cadenzavna Eve |
| Senki Zesshou Symphogear G [2013] | Maria Cadenzavna Eve |
| Senki Zesshou Symphogear GX [2015] | Maria Cadenzavna Eve |
| Senki Zesshou Symphogear XV [2019] | Maria Cadenzavna Eve |
| Shangri-La Frontier [2023] | Amane Towa |
| Shinigami Bocchan to Kuro Maid [2021] | Daleth |
| Shinka no Mi [2021] | Louise Balze |
| Sin Nanatsu no Taizai [2017] | Mammon |
| Sora Yori mo Tooi Basho [2018] | Maekawa Kanae |
| Tamako Market [2013] | Uotani Mari |
| Tanken Driland [2012] | Haruka |
| To Aru Majutsu no Index Endymion on Kiseki [2013] | Shutaura Sequentia |
| Umineko no Nakukoroni [2009] | Satan |
| Violet Evergarden [2018] | Irma Feliche |
| Working [2011-2015] | Takanashi Izumi |
| www.Working [2016] | Muranushi Sayuri |
| Yama no Susume [2013] | Kaede |
| Yama no Susume Next Summit [2022] | Kaede |
| Yofukashi no Uta [2022] | Hirakawa Kiyosumi |
| Yoku Wakaru Gendai Mahou [2009] | Kisaragi Mio |
| Yuri Kuma Arashi [2015] | Harishima Kaoru |
| Z/X Ignition [2014] | Michael |
Games
Youko has done the following roles in games.
| Akiba's Trip Plus [PSP] | Fumitsuki Rui |
| Bang Dream Girls Band Party [smartphone] | Udagawa Tomoe (Afterglow) |
| Engage Knights [web] | Napoleon |
| Exstetra [Nintendo DS, PS Vita] | Mizuki |
| Himegami Emaki [smartphone] | Yukihime |
| L@ve Once Mermaid's Tears [PS3] | Toritome Meru |
| OverHit [smartphone] | Beartris |
| Princess Connect Re:Dive [smartphone] | Nozomi |
| Super Robot Taisen: The Moon Dwellers [PS3, PS4] | Katia Grinyal |
| Tokyo Clanpool [PS Vita] | Saionji Chiyo |
| Uma Musume Pretty Derby | Orfevre |
Drama
Youko has done the following roles in audio drama.
| Dog Days [CD] | Briocche Darkian |
| Haiyore! Nyaruko-san [CD] | Kurei Tamao |
| Ichiban Ushiro no Daimaou -anime cast- [CD] | Hattori Junko |
| Infinite Stratos [CD] | Shinonono Houki |
| Ore Twintail ni Narimasu [CD] | Iisuna Anko (Tail Black) |
| Rou Kyuu Bu [CD] | Nagatsuka Saki |