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Yoshida Tōyō (吉田東洋; 1816 – 6 May 1862) was a Japanese samurai and Karō from Tosa Domain. Gotō Shōjirō was his nephew-in-law.[citation needed]
In 1853, Toyo was appointed by the head of Tosa domain Yamanouchi Toyoshige to reform and modernize the domain.[citation needed]
He was assassinated on 6 May 1862 by three members of Tosa Kinnō-tō, a local political reform party.