| Morteza Aghatehrani | |
| Office1: | Member of the Parliament of Iran |
| Term Start1: | 27 May 2020 |
| Constituency1: | Tehran, Rey, Shemiranat, Eslamshahr and Pardis |
| Majority1: | 868,025 (47.13%) |
| Term Start2: | 27 May 2008 |
| Term End2: | 26 May 2016 |
| Constituency2: | Tehran, Rey, Shemiranat and Eslamshahr |
| Majority2: | 690,848 (29.59%) |
| Birth Place: | Esfahan, Iran |
| Party: | Front of Islamic Revolution Stability |
| Alma Mater: | McGill University Binghamton University |
| Nationality: | Iranian |
| Website: | http://www.aghatehrani.ir |
Morteza Aghatehrani (fa|مرتضی آقاتهرانی) is an Iranian Shia cleric and conservative politician. He was former secretary-general of the Front of Islamic Revolution Stability, and now representing Tehran, Rey, Shemiranat and Eslamshahr in the Parliament of Iran since 2020. He was also a member of Iranian Parliament form 2008 to 2016.
A protégé of Mohammad Taqi Mesbah Yazdi, he was the "morality teacher" of the cabinet of Mahmoud Ahmadinejad.
Aghatehrani he was formerly Imam of 'Islamic Institute of New York', a Shia mosque located in New York City.
Aghatehrani went to Canada to pursue his graduate studies at McGill University, before gaining a PhD in Middle East Studies from State University of New York at Binghamton and defending a thesis entitled "Khajah Nasir al-Din Tusi on the Meta-Mysticism of Ibn Sina" in 2000.
In 2012, it stirred controversy when it was revealed that Aghatehrani holds a Green card, tantamount to permanent residency status in the United States, while he is often regarded "strongly anti-foreign".