| Keiichiro Ryu | |
| Birth Date: | 30 September 1923 |
| Birth Place: | Tokyo Japan |
| Death Place: | Shinjuku Japan |
| Nationality: | Japanese |
| Known For: | The Blade of the Courtesans |
| Occupation: | author |
[1] [2] was a Japanese editor, acclaimed screenplay writer, and historical fiction writer.[1] [2]