Mohammad-Reza Gharaei Ashtiani (Persian: محمدرضا قرایی آشتیانی) is an Iranian military officer and Deputy Chief of the General Staff of the Armed Forces from 28 August 2024.

[1] Ashtiani was sworn in on 25 August 2021, replacing Brigadier General Amir Hatami who held role since 2017.

Ashtiani was promoted to the Deputy Chief of Staff of the Armed Forces of Islamic Republic of Iran (Artesh) on 2 July 2019, following a decree by Supreme Leader Ali Khamenei.

He was selected to be the Minister of Defense by President Ebrahim Raisi and then was approved for the position and took office on 25 August 2021.

He is accused of facilitating and providing material support to Russia's war against Ukraine by supplying Iranian weaponry, namely unmanned aerial vehicles (UAVs), to Russia's Armed Forces.