Grand Ayatollah Sayyid Hassan Tabatabaei Qomi (Arabic: حسن الطباطبايي القمي; Persian: حسن طباطبايى قمى; 1912–2007) was a prominent Shia marja' who was born in Najaf. He was known as Seyyed Hassan Qomi. Seyyed Hassan was inhabitant in Mashhad, and was opposing (against) Pahlavi reign. He is the son of Seyyed Hussein Qomi, and the brother of Seyyed Taqi Qomi. His younger brother Taqi Tabatabaei Qomi is also a Twelver Shia Marja'.