Kunisada Chūji (国定 忠治, 1810–1851) was a popular figure in the Edo period. He was a bakuto (gamblers commonly seen as forerunners to the modern yakuza).

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His story is mainly responsible for the romanticised "chivalrous bandit" or "Robin Hood" image in Japan. An example was when a village had a famine, he helped the village out.^[1]

He was publicly executed in 1850 for various crimes after a large man-hunt.

Chūji is depicted on a 1999 Japanese stamp.

• A Diary of Chuji's Travels (忠治旅日記 Chūji tabi nikki)
• Films based on his story in 1954, 1958 and 1960