Mori Yoshinari (森 可成, 1523 – October 19, 1570) was a Japanese samurai of the Sengoku period and the head of the Mori clan (Genji) family, who served the Saitō clan.

In 1547, he fought at the Battle of Kanōguchi against the Oda clan under Saitō Dōsan.

In late 1568, Yoshinari joined Shibata Katsuie, Hachiya Yoritaka, Hosokawa Fujitaka and Sakai Masahisa in attacking Iwanari Tomomichi at Shōryūji Castle.

In 1570, Yoshinari died fighting in the Battle of Shimosakamoto at Usayama Castle against the Azai clan and the Asakura clan near Ōtsu in the aftermath of the Battle of Anegawa.

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