Koji Haramaki (服巻浩司 Haramaki Koji) is a Japanese voice actor affiliated to Aoni Production.
- Mirai Sentai Timeranger vs Kyukyu Sentai GoGoV - Voice of Real
- One Piece - Voices of various characters
- Digimon Story: Cyber Sleuth - Voice of Dynasmon
- Bobobo-bobo - Voice of Pikari
- Sonic X - Voice of Jerome Wise
- Dynasty Warriors - Voice of Ma Chao
- Persona 4: The Animation - Voice of Taro Namatame
- He has a cousin, Yukari Tamura, a fellow voice actress that known for her role as Nanoha Takamichi in Magical Girl Lyrical Nanoha.
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