Mirza Seyyed Mohammad Tabatabai (Persian: آیت الله میرزا سید محمد طباطبائی, also known as Mohammad Sang-e-laji,; 22 December 1842 – 28 January 1920) was one of the leaders of the Iranian Constitutional Revolution who played an important role in the establishment of democracy and rule of law in Iran. He was the son of Sayyed Sādegh Tabātabā'i, one of the influential Scholar during the reign of Naser ad-Din Shah Qajar. His paternal grandfather, Sayyed Mehdi Tabātabā'i, was a reputed clergy in Hamedan. He is the father of Sayyed Sādegh Tabātabā'i editor of Ruznāmeh-ye Majles, the Majles newspaper.