Abd al-Qadir al-Husayni (Arabic: عبد القادر الحسيني), 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.