Acting
Koji Marunaka
- Place of birth: Tottori Prefecture, Japan
- Gender: Male
- Also known as: 丸中 康司, Marunaka Koji, まるなか こうじ, Kōji Marunaka
Koji Marunaka (丸中 康司, Marunaka Kōji, born May 2) is a Japanese voice actor from Tottori Prefecture affiliated with Ken Production.
