| Koji Yanagi | |
|---|---|
| Born |
September 20, 1967 Mie Prefecture, Japan |
| Occupation | Writer |
| Language | Japanese |
| Period | 2001–present |
| Genre | Mystery, thriller |
| Notable works | Joker Game series |
| Notable awards | Mystery Writers of Japan Award (2009) |
Koji Yanagi (柳広司 Yanagi Kōji, born September 20, 1967) is a Japanese writer of mystery and thriller. He is a member of the Mystery Writers of Japan.
Each book includes three to six short stories.