Jamaat Ansar al-Sunnah, also known as Jaish Ansar al-Sunna, Ali ibn Abi Talib Battalion or simply as Ansar al-Sunnah was an Iraqi Sunni insurgent group that fought against US troops and their local allies during the Iraq War. The group was primarily based in northern and central Iraq, and included mostly Iraqi fighters. In 2007, it split; with its Kurdish members pledging allegiance to Ansar al-Islam, and its Arab members creating a group called Ansar al-Sunnah Shariah Committee, before changing its name to Ansar al-Ahlu Sunnah in 2011.
An Iraqi insurgency began shortly after the 2003 American invasion deposed longtime leader Saddam Hussein. It is considered to have lasted until the end of the Iraq War and U.S. withdrawal in 2011. It was followed by a renewed insurgency.
After the 2003 invasion of Iraq was completed and the regime of Saddam Hussein was toppled in May 2003, an Iraqi insurgency began that would last until the United States left in 2011. The 2003–2006 phase of the Iraqi insurgency lasted until early 2006, when it escalated from an insurgency to a Sunni-Shia civil war, which became the most violent phase of the Iraq War.
The Islamic Army in Iraq was one of a number of underground Islamist militant organizations formed in Iraq following the 2003 invasion of Iraq by U.S.-led Coalition forces, and the subsequent collapse of the Ba'athist regime headed by Saddam Hussein. IAI was regarded as one of the largest, sophisticated and most influential Sunni insurgent groups in Iraq that led an asymmetrical military insurgency against Coalition forces. The group became known for its grisly videos of kidnappings and attacks on U.S. and Iraqi troops.
The 1920 Revolution Brigades was a Sunni militant group in Iraq, which included former members of the disbanded Iraqi army. It was established by the members of the former Ba'ath army of Saddam Hussein in 2003 following the American invasion. The group had used improvised explosive devices, and armed attacks against U.S.-led Coalition forces and comprises the military wing of the Islamic Resistance Movement. The group was named in reference to the Iraqi revolt of 1920.
The Mujahideen Shura Council, was an umbrella organization of at least six Sunni Islamist insurgent groups taking part in the Iraqi insurgency against U.S.-led Coalition and Iraqi forces. The groups included in the MSC were: Tanzim Qaidat al-Jihad fi Bilad al-Rafidayn, Jaish al-Ta'ifa al-Mansurah, Katbiyan Ansar Al-Tawhid wal Sunnah, Saraya al-Jihad Group, al-Ghuraba Brigades, and al-Ahwal Brigades. In mid-October 2006, a statement was released, stating that the Mujahideen Shura Council had been disbanded, and was replaced by the Islamic State of Iraq.
Jeish Muhammad is an Iraqi militant group that is both politically and religiously motivated. The politically motivated faction within JM is primarily made up of former Ba'athist members mainly from the Sunni region. Many who enjoyed special status during the leadership of Saddam Hussein were from Tikrit, which is in turn within an area of Iraq where the Arab population is mostly Sunni. People who generally hold the ex-vice-president, Izzat Ibrahim ad-Douri, in exceptionally high esteem were members of the security, intelligence and police forces from the previous government.
Abu Musab al-Zarqawi, born Ahmad Fadeel al-Nazal al-Khalayleh, was a Jordanian jihadist who ran a terrorist training camp in Afghanistan. He became known after going to Iraq and being responsible for a series of bombings, beheadings, and attacks during the Iraq War, reportedly "turning an insurgency against US troops" in Iraq "into a Shia–Sunni civil war". He was sometimes known by his supporters as the "Sheikh of the slaughterers".
The Jihad and Reform Front (JRF), or Reformation and Jihad Front (RJF), is a Sunni insurgent coalition in Iraq that announced its formation on May 2, 2007. The announcement was posted on several jihadist websites.
Tanzim Qaidat al-Jihad fi Bilad al-Rafidayn, more commonly known as Al-Qaeda in Iraq, was a Sunni jihadist organization affiliated with Al-Qaeda. It was founded on 17 October 2004, and was led by Abu Musab al-Zarqawi and Abu Ayyub al-Masri until its disbandment on 15 October 2006.
Hamas of Iraq was a Sunni militia group based in Iraq, which split from the 1920 Revolution Brigades on 18 March 2007. The group claims to have released videos of its attack on US troops. The 1920 Revolution Brigades insists that Hamas in Iraq was involved in assisting US troops in their Diyala operations against Al-Qaeda in Iraq. former Iraqi Prime Minister Nouri al-Maliki had feared the US-armed 'concerned local citizens' were an armed Sunni opposition in the making, and has argued that such groups should be under the command of the Iraqi Army or police. On October 11, 2007, the militia group joined a political council that embraced armed insurgency against American forces.
The Supreme Command for Jihad and Liberation is an Iraqi front comprising some 23 militia groups formed in October 2007 and were led by former Iraqi vice president and deputy chairman of the Revolutionary Command Council Izzat Ibrahim al-Douri. The name is also often used to refer to the largest militia in the front, the Army of the Men of the Naqshbandi Order, which was commanded by Douri himself.
Political Council for the Iraqi Resistance (PCIR), or the Political Council of Iraqi Resistance, is an Iraqi insurgent political coalition of six major Sunni militant groups operating inside Iraq. The formation of the umbrella organization was announced on October 11, 2007 by a group spokesman in a speech broadcast on the Arabic satellite channel Al Jazeera. The announcement was also published on several jihadist websites. The council's formation is unique in that it is one of the first times Iraq's Sunni insurgent groups have united in an attempt to form a political faction as opposed to a strictly militant one.
Several sources have alleged that the Central Intelligence Agency (CIA) had ties with Osama bin Laden's faction of "Afghan Arab" fighters when it armed Mujahideen groups to fight the Soviet Union during the Soviet–Afghan War.
The Jaish al-Mujahideen was a Sunni militant group in Iraq. The group first emerged in late 2004. The Mujahideen Army is one of the founding members of the Jihad and Reform Front as well as a member of the Political Council for the Iraqi Resistance (PCIR). The Mujahideen Army is comprised almost exclusively of native Iraqi Sunni Muslims, including ex-members of Saddam Hussein's military and security agencies such as Fedayeen Saddam, Special Republican Guard, Republican Guard and the Special Security Organization.
Mujahideen, or Mujahidin, is the plural form of mujahid, an Arabic term that broadly refers to people who engage in jihad, interpreted in a jurisprudence of Islam as the fight on behalf of God, religion or the community (ummah).
The Army of the Men of the Naqshbandi Order, also called the Naqshbandi Army, is one of a number of underground Ba'athist and Sufi militant insurgency groups fighting U.S.-led Coalition forces in Iraq. Media frequently refers to the group by the initials JRTN, a romanization of its Arabic name. Supreme Command for Jihad and Liberation, technically the name of the umbrella organisation to which JRTN belongs, is also often used to refer to JRTN specifically.
On 22 December 2011, a series of coordinated attacks occurred in Baghdad, Iraq, killing 69 people. This was the first major attack following U.S. withdrawal from Iraq.
The Islamic State of Iraq, was a Salafi jihadist militant organization that fought the forces of the U.S.-led coalition during the Iraqi insurgency. The organization aimed to overthrow the Iraqi federal government and establish an Islamic state in Iraq.
The Iraqi conflict refers to a near-continuous series of violent events that began with the 2003 Anglo-American invasion of Iraq and deposition of Iraqi president Saddam Hussein, the most recent of which is the ISIS conflict in which the Iraqi government declared victory in 2017.
Al-Qaeda 
Coalition 
Iraqi security forces 