Watanabe Kumiko roles
Anime
Kumiko has done the following roles in anime.
| Arslan Senki | Alfreed |
| Atashin'chi [2002] | Mama |
| Babel II (OAV) | Rashel |
| Bono Bono | Bono Bono |
| Borgman | Tooru |
| Condition Green | Barney Page |
| Crayon Shin-chan {Episode 1995.01.16} | Kenji |
| Digimon Frontier | Himi Tomoki |
| Exkaizer | Kouta (Yuuta?) |
| Gankutsuou | Heloise de Villefort |
| Genji Tsuushin Agedama | Worpro |
| Gundam ZZ | Beat |
| Gundress [1999-2000] | Kei Yung |
| Hakkenden OAV [1990-1991] | Kurayago |
| Hikaru no Go [2001] | Isobe Hideki |
| Ijiwaru Baasan | Tsutomu |
| Inuyasha [2000] | Shippo |
| Kaitou Saint Tail {Episode 19} | Kenta |
| Legend of Momotarou | Kintarou |
| Lets and Go MAX | Gou |
| Mahou no Princess Minky Momo Yume wo Dakishimete [1991-1992] | Fairy 2 |
| Megami Paradise | Rouge |
| Meitantei Conan (Detective Conan) {Episode 7} | Yuuta |
| Muka Muka Paradise | Shikatani Uiba |
| PLANETES [2003] | Claire |
| Sailor Moon {Supers} | Junjun |
| Sailor Moon {Episode 133} | kigurumiko |
| Samurai 7 [2004] | Honoka |
| Samurai Troopers | Yamano Jun |
| Sei Mikaera Gakuen Hyouryuuki II | Takemiya Kozue |
| Sensei no Ojikan [2004] | Matsumoto Linda |
| Sergeant Keroro | Keroro |
| Shoujo Kakumei Utena | Shadow Girl C |
| Starship Sagittarius [debut] | Lib |
| Takahashi Rumiko Gekijou [2003] {Ep. 10} | Hirooka Ritsuko |
| Tamako Market [2013] | Mitsumura Fumiko |
| Tekkaman Blade | Jody |
| Tekkaman Blade II | Anita Braningan |
| Tobe Isami | Onna Karasu Tengu |
| V Gundam | Katejina Loose |
| Working [2011-2015] | Shirafuji Kyoko |
| Yes! PreCure 5 | Natsuki Yuu |
| Ys II [1992-1993] | Tarf Hadal |
| Zoids | Munbei |
Games
Kumiko has done the following roles in games.
| Advanced VG 2 [Playstation] | Reimi Jahana |
| Advanced VG [PC Engine] | Reimi Jahana |
| Advanced VG [Playstation] | Reimi Jahana |
| Alice in Cyber Land [Playstation] | Nikaido Yoko |
| Battle Tycoon [Super Famicom] | Calnarsa LeBon |
| Dragon Knight 4 [Playstation] | Rhynus |
| Dragon Knight 4 [Playstation] | Sayla |
| Kaze no Kuronoa 2 -Sekai ga Nozonda Wasuremono- [Playstation 2] | Klonoa |
| Lets and Go Eternal Wing [Platstation] | Gouki |
| Lunar 2 Eternal Blue [Sega Saturn] | Mauri |
| Lunar Eternal Blue [MegaCD] | Mauri |
| Mahjong Sword [PC Engine] | Lepias |
| Marica -Shinjitsu no Sekai- [Sega Saturn] | Toudou Kaname |
| Megami Paradise [PC Engine] | Rouge |
| Megami Paradise II [PC FX] | Rouge |
| Star Breaker [PC Engine] | Isshu |
| Star Breaker [PC Engine] | Leina |
| Tales of Vesperia [PS3, XB360] | Carlos Cappel |
Drama
Kumiko has done the following roles in audio drama.
| Chivas 1-2-3 [CD] | Hop |
| Hanasaki Komachi Girls [CD] | Natsukawa Sakurako |
| Little Princess -Marl Oukoku no Ningyouhime 2- Another Diary [CD] | ? |
| Little Princess: Marl Oukoku no Ningyouhime 2 [CD] | Gao |
| Little Princess: Marl Oukoku no Ningyouhime 2 [CD] | Tera |
| Megami Paradise [CD] | Rouge |
| Pathway for Santa Claus -Santa ga kureta okurimono- [CD] | ? |
| Sensei no Ojikan [CD] | ? |
| Silent Mobius "Silent Lovers" [CD] | Minazuki Saya |
| Wrestle Angels [CD] | Bomber Kijima |