Mantaro Koichi
actor
- Gender: Male
- Birthday: 1969-02-15 ( 55 years old )
- Place of Birth: Osaka, Japan
- Also Known As: 小市 慢太郎 / Koichi Mantaro
- IMDB:nm0463500
Mantarō Koichi (小市 慢太郎 , Koichi Mantarō), born on February 15, 1969 in Osaka, is a Japanese actor. He occasionally does voice work for anime and TV dramas. He’s affiliated with Gekidan M.O.P., an agency that mostly assigns work for live action movies and TV series. His bloodtype is B.