Abd al-Qadir al-Husayni (), also spelled Abd al-Qader al-Husseini (1907 – 8 April 1948) was a Palestinian Arab nationalist and fighter who in late 1933 founded the secret militant group known as the Organization for Holy Struggle ("Munathamat al-Jihad al-Muqaddas"), which he and Hasan Salama commanded as the Army of the Holy War ("Jaysh al-Jihad al-Muqaddas") during the 1936–1939 Arab revolt and during the 1948 war.