| This article only covers aspects of the Seiyuu in Hajime no Ippo.
Masako Katsuki (勝生 真沙子 Katsuki Masako, born Shiono (塩野), October 15, 1959) is a Japanese voice actress and narrator formerly affiliated with Theater Echo and now with 81 Produce.
Other notable works
- After War Gundam X (TV) as Vedba Morute (ep 2)
- Angel Blade (OAV) as Chloe
- Angel Blade Punish! (OAV) as Chloe (ep 1)
- Angelique (OAV) as Queen
- Angelique: Shiroi Tsubasa no Memoir (OAV) as Queen
- Aoki Ryūsei SPT Layzner (TV)
- Apfel Land Story (OAV) as Arianna
- Apocalypse Zero (OAV) as Hamuko
- Appleseed (OAV) as Deunan Knute
- Appleseed XIII (TV) as Erinyes (ep 5)
- Arion (movie) as Athena
- Art of Fighting (special) as King
- Astro Boy (TV 3/2003) as Rabia (eps 26, 47)
- Azuki-chan (TV) as Senda's Aunt
- Bad Boys (OAV) as Erika Satō (eps 1-4); Sato Erika
- Bakuman. (TV) as Mother of Akito
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