Arab Socialist Ba'ath Party – Iraq Region

The Arab Socialist Ba'ath Party – Iraq Region (Arabic: حزب البعث العربي الاشتراكي في العراق, romanized: Ḥizb al-Ba‘th al-'Arabī al-Ishtirākī fī al-'Irāq), officially the Iraqi Regional Branch, was the Iraqi regional branch of the pan-Arab Ba'ath Party, founded in the early 1950s and officially brought to power through the 1968 coup d'état. Rooted in the ideology of Ba'athism, the party combined Arab nationalism, Arab socialism, republicanism, and anti-imperialism, though it developed a distinctive Iraqi character under Saddam Hussein's leadership, often referred to as Saddamist Ba'athism.

From 1968 to 2003, the Ba'ath Party dominated Iraq's political landscape, exerting total control over state institutions, the military, and society through an extensive and often brutal internal security network. It facilitated Saddam Hussein's rise to absolute power in 1979 and played a central role in shaping Iraq's domestic and foreign policies, including the Iran–Iraq War, the invasion of Kuwait, and the Gulf War. Following the U.S.-led invasion of Iraq in 2003, the Ba'ath Party was officially banned by the Coalition Provisional Authority, and thousands of its members were purged from public life in a controversial policy known as de-Ba'athification. Despite the ban, remnants of the party reorganized underground and splintered into factions, most notably those led by Izzat Ibrahim al-Douri and Mohammed Younis al-Ahmed.

The party’s legacy remains controversial due to its role in authoritarian governance, sectarian repression, and widespread human rights abuses. While officially dissolved and criminalized by Iraq's 2005 Constitution, Ba'athist ideologies continue to influence insurgent movements and political discourse in Iraq and the wider Arab world.