Gholam Ali Haddad-Adel (غلامعلی حداد عادل in Persian) born in 1945 in Tehran, Iran, is an Iranian philosopher, politician and former chairman of the Iranian parliament. He is the first non-cleric in the post since the Iranian Revolution of 1979.
While officially ranking as the last (30th) candidate of Tehran in the Iran Majlis election, 2000 after some recounts by the Council of Guardians which had led to annulation of 700,000 Tehrani votes and removal of Alireza Rajaei and Ali Akbar Rahmani from the top 30, Haddad-Adel collected the most votes from Tehran four years later, in Iran Majlis election, 2004, when many reformist candidates where not allowed to run. He was supported by the Abadgaran alliance. He became the Speaker of Majlis for one year on June 6, 2004, with 226 votes out of 259. There was no other candidate running.
Haddad-Adel got his PhD in philosophy from University of Tehran in 1975, and has a BSc and an MSc in Physics, respectively from University of Tehran and University of Shiraz. He has studied Islamic philosophy under Morteza Motahhari and has also studied under Sayyed Hossein Nasr who is famous for his critique of Marxism. He is a critic of Ali Shariati's viewpoints on Safavid Shiism, and promotes a conservative order active in culture and intellect.