Rock Trumpet – Mandevilla

Keiko Yamamoto (山本 圭子, Yamamoto Keiko, August 7, 1943 – April 18, 2024) was a Japanese voice actress from Osaka Prefecture. Many of her roles have been older women, young boys, or tomboyish young girls.

• Big X (1964) – Hans
• Osomatsu-kun (1966) – Choromatsu
• Himitsu no Akko-chan (1969) – Chikako
• Devilman (1972) – Tare-chan
• Doraemon (1973) – Sewashi, Nobisuke Nobi (child)
• One Piece (2003) – Amazon
• Zatch Bell! (2005) – Riou

Unknown date

• Akado Suzunosuke (????) – Akadō Suzunosuke
• Andersen Stories (????) - Ib as a Child
• Aria the Natural (????) – Oba-san
• Attack No.1 (????) – Kaori Yagisawa
• Bikkuriman (????) – Jack
• Chibi Maruko-chan (????) – Shouta Yamada, Hamaji's Mother, Maeda's Grandmother
• Demashita! Powerpuff Girls Z (????) – Little Arturo
• Dr. Slump (????) – Akiko-san, Unchi-kun
• Dragon Ball (????) – Grandma Hakkake
• Dragon Ball Z (????) – East Kaiou
• Eagle Sam (????) - Eagle Sam
• Galaxy Express 999 (????) – Boy (Ep. 30)
• Ganbare Gonbe (????) – Gonbe
• GeGeGe no Kitarou (????) – Shisa, Sunakake Babaa Donpei, Obebe, girl
• Hamtaro (????) – Debiham-kun/Spat
• Kindaichi Case Files (????) – Yurie
• Kinnikuman (????) – Nachiguron, Kinkotsu-Obaba
• Kirby: Right Back at Ya! (????) – Escargon's Mother
• Kiteretsu Daihyakka (????) – Yone (first voice)
• Little Pollon (????) – Eros
• Lupin III (????) – Queen Gretchen
• Mahoujin Guru Guru (????) – Magical Obaba
• Majokko Meg-chan (????) – Rabi Kanzaki
• Moretsu Atarou (????) – Atarou
• Nerima Daikon Brothers (????) – Director
• Nichijou (anime) (????) - Yuuko's mother
• Nono-chan (????) – Matsuko Yamada
• Eagle Sam (????) – Eagle Sam
• Sazae-san (????) – Hanako Hanazawa
• Shugo Chara! (????) – Nobuko Saeki
• Soreike! Anpanman (????) – Kujira no Kutan, Bakeru-kun
• Tiger Mask (????) – Gaboten
• Tatakae! Osper (????) – Osper
• Tensai Bakabon (????) – Bakabon
• Zenderman (????) – Jimmy

• Dorami-chan Mini-Dora SOS! (????) (Arara)
• Dr. Slump and Arale-chan: N-cha! Clear Skies Over Penguin Village (????)(Dodongadon)
• Kinnikuman Series (????) (Nachiguron)
• One Piece: Baron Omatsuri and the Secret Island (????) (Keroko)
• Pink: Water Bandit, Rain Bandit (????) (Black)
• Pokémon: Destiny Deoxys (????) (Gonbe (Munchlax))
• The Girl Who Leapt Through Time (????) (Oba-san)^[1]
• Crayon Shin-chan: Pursuit of the Balls of Darkness (1997) (Ball King Nakamure)
• Crayon Shin-chan: Fierceness That Invites Storm! The Battle of the Warring States (2002) (Yoshino)

• Kingdom Hearts II (????) (Chicken Little)
• Dark Chronicle (????) (Future Rin)
• Popful Mail (????) (Gaw)
• Super Dodge Ball (????) (Misuzu)^[1]

• Chōriki Sentai Ohranger (????) (voice of Bara Hungry)
• Chouriki Sentai Ohranger Movie (????) (voice of Kabochumpkin)
• Ganbare!! Robocon (????) (voice of Robocon)

• Chicken Little (Chicken Little)^[2][3]

• Keiko Yamamoto at Aoni Production
• Keiko Yamamoto at Anime News Network's encyclopedia
• Keiko Yamamoto at IMDb