Mohammad-Amin Riahi (Persian: محمدامین ریاحی; 1 June 1923, Khoy – 15 May 2009, Tehran) was a prominent Iranian literary scholar of Persian literature, a historian, writer and statesman.

Mohammad-Amin Riahi received his PHD on Persian literature from Tehran University under the supervision of Badiozzaman Forouzanfar.

He has produced critical editions of some of the major classical Persian texts such as Mersad-al-ebad and Nozhat-al-majalis.

During a course of 60 years he published numerous scholarly articles, a selection of which are gathered in a volume titled Forty essays on language, literature and history of Iran.

Among numerous cultural positions he held during his career, Riahi was a professor of Tehran University, the founding member and later president of the Shahnameh Foundation (1971–1979), vice-chairman of the Iranian Academy of Literature and Arts, and Iranian Minister of Education (1979).