| Honinbo Josaku | |
|---|---|
| Full name | Honinbo Josaku |
| Born | 1801 Japan |
| Died | 1847 Japan |
Honinbo Josaku (本因坊丈策, 1801–1847) was a Japanese professional go player and the thirteenth head of the Honinbo school. He was not in the same top-rank class over the board as either his predecessor Jowa or his successor Shuwa.
| Preceded by Honinbo Jowa |
Honinbo 1839–1847 |
Succeeded by Honinbo Shuwa |