Zhuge Zhan (227 – c. November 263),[a] courtesy name Siyuan, was a Chinese military general and politician of the state of Shu Han during the Three Kingdoms period of China.

He subsequently held the following positions in the Shu government: Palace Attendant (侍中), Supervisor of the Masters of Writing (尚書僕射) and Military Adviser-General (軍師將軍).

[7] Jiang Wei claimed his arrangement could achieve a decisive victory previously unimaginable when they had just defended along the Qin Mountains.

However, Zhong Hui sent two smaller detachments to attack the two counties and led the main Wei army further into Shu territory.

[10] Upon learning that Jiang Wei's plan had failed and sown the seeds of destruction, Zhuge Zhan hastily assembled an army in Chengdu and moved to Fu County to prepare for a final defence.

The aforementioned military movements happened within weeks, and Zhong Hui's rapid advance shocked most of the Shu generals.

Zhuge Zhan then left Fu County for the better fortified Mianzhu, where he planned to make a last stand against Deng Ai.

However, Zhuge Zhan refused, had Deng Ai's messenger executed, and ordered his troops to prepare for battle outside the pass.

Deng Zhong and Shi Zuan then led their men to attack the Shu formation again and succeeded in breaking it.

His ruse worked initially as the Wei soldiers panicked and scattered upon thinking that Zhuge Liang had returned from the dead.