The Organization of Iranian People's Fedai Guerrillas (OIPFG; Persian: سازمان چريک‌های فدايی خلق ايران, romanized: Sâzmân-e Čerik-hâye Fadâyi-e Xalğ-e Irân), simply known as Fadaiyan-e-Khalq (Persian: فداییان خلق, romanized: Fadâ'iān-e Xalğ, lit.

[20] The groups started to overlap in 1970, with the first armed attack being a robbery of a bank in Tehran in order to bankroll the new organization.

[8] They rejected reformism, and were inspired by thoughts of Mao Zedong, Che Guevara, and Régis Debray.

[5] They criticized the National Front and the Liberation Movement as "Petite bourgeoisie paper organizations still preaching the false hope of peaceful change".

[4] Fedai Guerrillas initially criticized the Soviet Union and the Tudeh Party as well, however they later abandoned the stance as a result of cooperation with the socialist camp.