Koji Ishii
- Born
- 1 July 1960 (66 years)
- Place of birth
- Minoshima, Arida, Wakayama, Japan
- Gender
- Male
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.
