Koichi Sato
actor
- Gender: Male
- Birthday: 1960-12-10 ( 64 years old )
- Place of Birth: Tokyo, Tokyo, Japan
- Also Known As: Kôichi Satô / 佐藤浩市
- IMDB:nm0766233
Koichi Sato (佐藤 浩市 Satō Kōichi, born December 10, 1960) is a Japanese actor. He is the son of veteran Japanese actor Rentarō Mikuni.