| Honorific-Prefix: | Ayatollah |
| Abolghasem Khazali Persian: ابوالقاسم خزعلی | |
| Term Start1: | 15 August 1983 |
| Term End1: | 16 September 2015 |
| Constituency1: | Semnan Province |
| Order2: | Member of the Guardian Council |
| Term Start2: | February 1980 |
| Term End2: | 5 August 1999 |
| Appointer2: | Ruhollah Khomeini |
| Office3: | Member of Assembly of Experts for Constitution |
| Term Start3: | 15 August 1979 |
| Term End3: | 15 November 1979 |
| Constituency3: | Semnan Province |
| Majority3: | 107,311 |
| Birth Date: | 21 March 1925 |
| Birth Place: | Borujerd, Iran |
| Death Place: | Tehran, Iran |
| Spouse: | Tahereh Kalbasi |
| Children: | 9, including Mehdi |
| Awards: | Order of Service (1st class)[1] |
Ayatollah Abolghasem Khazali Boroujerdi (Persian: ابوالقاسم خزعلی بروجردی, 21 March 1925 – 16 September 2015) was a hardline Iranian politician, fundamentalist Shi'i cleric and a founding member of Haghani school with close ties with Mahmoud Ahmadinejad and Saeed Jalili. He was the conservative chairman of the Guardian Council, and was the oldest member of the current Assembly of Experts.[2] [3] Before the Islamic Revolution, he was one of the strongest challengers of the Shah, and was taken to jail several times. He died on 16 September 2015.[4]