Fatah, formally the Palestinian National Liberation Movement, is a Palestinian nationalist and social democratic political party. It is the largest faction of the confederated multi-party Palestine Liberation Organization (PLO) and the second-largest party in the Palestinian Legislative Council (PLC). Mahmoud Abbas, the President of the Palestinian Authority, is the chairman of Fatah.
Yasser Arafat was the primary founder of Fatah and its leader until his 2004 death.