Okada Hanko (1782-1846) was a literati painter of the late Edo period. Born in Osaka. His childhood name was Jokichi, his real name was Suku, his family name was Ziwa, and his family names were Hanko, Kome, and Kansan. His popular name was Uzaemon, and later Yoshitsugu.
He studied painting under his father, Okada Yezanjin, and followed in his footsteps, serving for a time in the Todo family of the Tsu domain before resigning to devote himself to painting. He perfected a style of painting close to the orthodox Nanshu style, which is detailed and gentle.