| Morteza Haji | |
| Order1: | Minister of Education |
| Term Start1: | 22 August 2001 |
| Term End1: | 24 August 2005 |
| President1: | Mohammad Khatami |
| Predecessor1: | Hossein Mozaffar |
| Successor1: | Mahmoud Farshidi |
| Order2: | Minister of Cooperatives |
| Term Start2: | 20 August 1997 |
| Term End2: | 22 August 2001 |
| President2: | Mohammad Khatami |
| Predecessor2: | Gholamreza Shafeei |
| Successor2: | Ali Soufi |
| Order3: | Governor of Mazandaran Province |
| Term Start3: | 20 April 1986 |
| Term End3: | 16 December 1989 |
| President3: | Ali Khamenei |
| Primeminister3: | Mir-Hossein Mousavi |
| Predecessor3: | Ali-Akbar Tahayi |
| Successor3: | Esmaeil Mofidi |
| Term Start4: | 6 October 1980 |
| Term End4: | 19 June 1982 |
| President4: | Abolhassan Banisadr Mohammad-Ali Rajai Ali Khamenei |
| Primeminister4: | Mohammad-Ali Rajai Mohammad-Javad Bahonar Mohammadreza Mahdavi Kani Mir-Hossein Mousavi |
| Predecessor4: | Abdolali Moshaf |
| Successor4: | Mohammad Majdara |
| Party: | Islamic Iran Participation Front |
| Nationality: | Iranian |
| Profession: | Math teacher |
Morteza Haji (Persian: مرتضی حاجی) is an Iranian reformist politician. He held office as a governor and minister during the 1980s, 1990s and 2000s.
He was head of Mohammad Khatami's presidential campaign in 1997 and a director of the Hassan Rouhani 2017 presidential campaign.