Yamana Toyokuni (山名 豊国, 1548 – 1626) was a Japanese samurai and commander of the Sengoku period.

[1][2][3] In 1574, Toyokuni allied with Amago Katsuhisa for an attempted invasion to capture Tajima and Inaba provinces.

[1][4] In 1581, his Tottori Castle was besieged by the Oda Nobunaga's army led Hashiba Hideyoshi.

[3] In 1600, at the Battle of Sekigahara, he joined the Western army and after the battle he was given small territory in the Tajima Province by Tokugawa Ieyasu.

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