The Organization of Iranian People's Fadaian (Majority) (Persian: سازمان فدائیان خلق ایران (اکثریت), romanized: Sāzmān-e fedaiyān-e khalq-e Irān (aksariat); lit. 'Organization of self-sacrificers of the people of Iran') is an Iranian left-wing opposition political party in exile. The OIPFM advocates for an Iranian secular republic and the overthrow the current Islamic Republic of Iran government.
|Chair of the Political and Executive Committee||Behruz Khaligh|
|Split from||Organization of Iranian People's Fedai Guerrillas|
|National affiliation||Union of People's Fedaian of Iran|
An offshoot of the Organization of Iranian People's Fedai Guerrillas, it was considered the largest communist organization of Iran from 1980 to 1991. The party currently holds Social democratic views.
- Organization of Iranian People's Fedai Guerrillas (1963–1980)
- Iranian People's Fedai Guerrillas (1979–present)
- Organization of Iranian People's Fedaian (Majority) (1980–present)
- Organization of Iranian People's Fedai Guerrillas (Minority) (1980–1987)
- Organization of Iranian People's Fedai Guerrillas – Followers of the Identity Platform (1983–present)
- Organization of Iranian People's Fedai Guerrillas (1985–present)
- Fedaian Organisation (Minority) (1987–present)
- Hiro, Dilip (2013). "Fedai Khalq". A Comprehensive Dictionary of the Middle East. Interlink Publishing. pp. 483–9. ISBN 9781623710330.
- Canada: Immigration and Refugee Board of Canada, Iran: Information on the Organization of Iranian People's Fedaian (Majority) (OIPFM), its activities and treatment of its members and supporters by government authorities, 24 September 2003, IRN42015.E, available at: http://www.refworld.org/docid/403dd1fa8.html [accessed 10 May 2018]
- Kazemzadeh, Masoud (2008). "Opposition groups". In Kamrava, Mehran; Dorraj, Manochehr (eds.). Iran Today: An Encyclopedia of Life in the Islamic Republic. Vol. 2. Greenwood Press. p. 366. ISBN 978-0-313-34161-8.
- Vahabzadeh, Peyman (28 March 2016) [7 December 2015]. "FADĀʾIĀN-E ḴALQ". In Yarshater, Ehsan (ed.). Encyclopædia Iranica. Bibliotheca Persica Press. Retrieved 1 August 2016.