Kobayashi Yuko roles
Anime
Yuko has done the following roles in anime.
| Adventure in the Otaku Galaxy | Rin |
| Ai Tenchi Muyou! [2014] | Washuu |
| Armitage III | Rosalind Horhes |
| Attacker YOU [debut] | Hazuki Yuu |
| Bastard! | Kai Harn |
| City Hunter {Bay City Wars} | Luna |
| Cooking Papa | Inoue Toshio |
| Creamy Mami | Kumiko |
| Dominion {'93} | Sharon |
| Dragonball Z | Maron |
| Dual! Parallel Trouble Adventure | Yamano Akane |
| Ganbare! Kickers | Yukie |
| Getter Robo Gou | Tachibana Shou |
| Gundam 0083 {Episode 6,7} | Latuerra |
| Happy Moomin Family | Mimura |
| Hime-chan no Ribbon {Episode 20} | Hoshino Mayuri |
| Kujaku-Oh 3 | Yomigozen |
| Leina {2} | Shuri |
| Licca | Mama |
| Lightning Trap | Luna |
| Machine Robo | Rury |
| Magic Knight Rayearth {Episode 21} | Hououji Kuu |
| Mahou no Princess Minky Momo Yume wo Dakishimete [1991-1992] | Brenda |
| Majo no Takkyuubin (Kiki's Delivery Service) | Sempai Witch |
| Maze Bakunetsu Jikuu {TV} | Leipia |
| Megami Paradise | Maharaja |
| Meitantei Conan (Detective Conan) {Episode 74} | Fujii |
| Mojakou | Mama |
| Money Wars | Yamazaki |
| Najica Dengeki Sakusen/Najika Blitz Tactics [2001] {Ep.4} | Chinatsu Mika |
| Nightwalker | Tsukimura Yukie |
| Nineteen [1990] | model B |
| Otaku no Video | Fukuhara Misuzu |
| Please Save My Earth | Okamura Ayako |
| Pocket Monsters | Shigeru |
| Pretty Sami (OAV) | Washuu |
| Pretty Sami (TV) | Washu Fitzgerald Kobayashi |
| Ranma 1/2 [1989-1992] | Ranran |
| Sailor Moon {Episode 61} | Atsugessho |
| Shin Tenchi Muyou | Washuu |
| Shonen Ashibe | Peppeppe |
| Tenchi Muyou | Washuu |
| Trigun [1998] | Karen |
| Urusei Yatsura {Date with a Spirit} | Maiko |
| V Gundam | Junco Jenco |
| V Gundam | Kareru Masarik |
| Watashi no Ashinaga Ojisan [1990] | Carrie |
| Wedding Peach {Episode 20} | Saori |
Games
Yuko has done the following roles in games.
| Busted [PCEngine] | Kiminy |
| Ranma 1/2 Chouji Rambuhen [SFC] | Konjou Mariko |
| Ranma 1/2 Torawareno Hanayome [PC Engine] | Kuma girl |
| Tenchi Muyou [PC Engine] | Washuu |
| Tenchi Muyou [PC Engine] | Kagura |
| Tenchi Muyou Game Hen [Super Famicom] | Washuu |
| Tenchi Muyou! Ryououki [PC-FX] | Washuu |
| Tenchi Muyou! Ryououki [PC-FX] | Kagura |
Drama
Yuko has done the following roles in audio drama.
| Ehon Ohanashi Concert Ongakushuu [CD] | ? |
| Idol Project [CD] | Oran |
| Maze Bakunetsu Jikuu [CD] | Rapier |
| Megami Paradise [CD] | Maharaja |
| Photon [radio] | narration |
| Romantist Taste [CD] | ? |
| Tenchi Muyou [CD] | Washuu |
| Tenchi Muyou Daiichi Otaku ha Dare? [CD] | Washu |
| Torneco no Bouken [CD] | Ruru |