Koji Ishii

Koji Ishii (石井 康嗣, born 石井 浩司, both read as Ishii Kōji, July 1, 1960) is a Japanese voice actor (seiyuu) from the Arida City, Wakayama Prefecture, Japan. He was formerly affiliated with Ken Production, Beniya 25 Ji, and Vi-Vo. He is freelance and is in a business partnership with AMBERnote since April 1, 2022.

Koji Ishii is known for work in acting across film and television. New Release currently presents 28 verified screen credits connected to this profile.

Selected work includes New PANTY & STOCKING with GARTERBELT (2025), Record of Ragnarok (2021), Altered Carbon: Resleeved (2020), Case Closed: The Fist of Blue Sapphire (2019), Case Closed: The Crimson Love Letter (2017), 91 Days (2016), Doraemon: Nobita and the Birth of Japan (2016), The Empire of Corpses (2015). The recorded credits span 1993 to 2025, including 10 movies and 18 TV shows.

The filmography below lists available titles, release years and known roles. This profile is updated as additional verified information becomes available.