Grand Ayatollah Syed Mohsin Nawab Rizvi (14 April 1911 – 26 August 1969; Arabic: ﺁيت الله العظمى سید محسن نواب رضوی) popularly known as Mohsin-ul-millat, was an Indian poet, writer, speaker and a Marja of the Twelver branch of Shia Islam.

His father Maulana Syed Ahmad Nawab Rizvi was a prominent Shia Scholar and was the editor of the monthly Urdu magazine, Alawarif.

During his student life in Lucknow he was the editor of an Arabic religious and literary magazine, Al-Adeeb, which was published under the patronage of Nasirul Millat Syed Nasir Husain.

He managed a middle school, which became a leading degree college in Jaunpur District, known as Raza D.M.

India as vice principal, as the Matla-e-Anwar (written by Maulana Murtaza Husain Sadrul-Afazil).