Shimazu Toshihisa (島津 歳久, August 15, 1537 – August 25, 1592) was a Japanese samurai of the Azuchi-Momoyama period, He called 'Saemon no kami'.

Toshihisa was known as a rare "Resourceful General", He was in a key position to determine the policies of Shimazu's army as a general officer responsible for war strategies.

He was fought in the Siege of Takabaru (1576), Battle of Mimigawa (1578), Siege of Minamata Castle (1581) during Shimazu clan campaign to conquer Kyūshū and also the commander of Shimazu clan against Toyotomi Hideyoshi, when Hideyoshi invaded Kyushu (1587).

[1] Later in 1592, at the time of uprising against Hideyoshi, the incident at Taihei-ji Temple was raised as an issue; this led Hideyoshi to issue an order to track down and kill Toshihisa which made him commit suicide by seppuku at Ryugamizu.

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