Seyed Mahdi Hosseini Rohani Persian: سید مهدی حسینی روحانی (15 July 1925 - 23 November 2000) was an Iranian Ayatollah born in Qom.

His father, Ayatollah Abdolhassan Rohani, was a scholar in Qom Seminary teaching Islam.

His father was a prominent student of Abu l-Hasan al-Isfahani and Abdul-Karim Haeri Yazdi.

[5] At an early age, Mahdi Rohani was being taught how to read and write Arabic by his father, as well as learning the Quran.

He was buried next to his lifelong friend, Ayatollah Ahmadi Mianji in Fatima Masumeh Shrine.