|Date of birth:||July 1, 1960|
|Place of birth:||Wakayama, Wakayama, Japan|
|Voice of:||Ginzo Nakamori |
Koji Ishii (石井 康嗣 Ishii Kōji) real name Koji Ishii (石井 浩司 Ishii Kōji) is a Japanese seiyu from Wakayama City who was born on July 1, 1960. He is active since 1988 and is affiliated with Vi-Vo. He is of blood type A and lives in the city where he was born. He likes freshwater fishing.
In Detective Conan, he reprises the role of Inspector Nakamori from the late Unsho Ishizuka and voiced previously Detective Takano. He also voices Snake in his appearance in OVA 4, Rokuro Tokubi, the culprit from Episodes 600-601, Shinpei Okubo, a suspect in Episode 149 and many other background characters.