Seyyed Mahmoud Alizadeh-Tabatabaei () is an Iranian lawyer. According to the New York Times, he is "one of the most influential" and "well connected" lawyers to highest leaders in Iran. He was a member of City Council of Tehran from 1999 to 2003.
He is well known as one of the attorneies for the Hashemi Rafsanjani family. Alizadeh-Tabatabaei has also represented Mir-Hossein Mousavi, Zahra Rahnavard, Amir Hekmati, Saeed Malekpour, Ghoncheh Ghavami and Mohammad Ali Taheri among others.