Ahmad Sa'adat (also transliterated from Arabic as Ahmed Sadat/Saadat, Arabic: ; born 1953), also known as Abu Ghassan, is a Palestinian militant and Secretary-General of the Popular Front for the Liberation of Palestine (PFLP), a Marxist Palestinian nationalist organisation. Sa'adat graduated in 1975 from the UNRWA Teachers College, Ramallah, specializing in Mathematics. Sa'adat was elected Secretary-General of the PFLP by its Central Committee in October 2001, to succeed Abu Ali Mustafa, after Mustafa was assassinated by Israel during the Second Intifada.