The Party of National Brotherhood or National Brotherhood Party (Arabic: حزب الاخاء الوطني, romanized: Hizb al-Ikha al-Watani, HIW) was an Iraqi political party formed in 1930–1931 by Yasin al-Hashimi, Naji al-Suwaydi, and Rashid Ali al-Gaylani. A pan-Arabist and strongly nationalist party, it became associated with opposition to the British Empire. It dominated Iraqi governments from its foundation until the 1936 coup.