Deir ez-Zor Governorate campaign

The Deir ez-Zor Governorate campaign of the Syrian civil war consists of several battles and offensives fought across the governorate of Syria:
 * Deir ez-Zor clashes (2011–2014)
 * 2012 Deir ez-Zor bombing
 * Hatla massacre
 * Battle of Deir ez-Zor (2014–2017)
 * Deir ez-Zor offensive (April–July 2014)
 * Deir ez-Zor offensive (December 2014)
 * Deir ez-Zor offensive (2016)
 * September 2016 Deir ez-Zor air raid
 * Deir ez-Zor offensive (January–February 2017)
 * Central Syria campaign (2017)
 * 2017 Deir ez-Zor missile strike
 * Deir ez-Zor offensive (September–November 2017)
 * 2016 Abu Kamal offensive
 * Raqqa campaign (2016–2017) (the SDF first entered Deir ez-Zor Governorate)
 * Syrian Desert campaign (December 2016–April 2017)
 * Deir ez-Zor campaign (2017–2019)
 * Battle of Khasham
 * Battle of Hajin
 * Battle of Baghuz Fawqani
 * Eastern Syria campaign (September–December 2017)
 * 2017 Euphrates Crossing offensive
 * 2017 Mayadin offensive
 * 2017 Abu Kamal offensive
 * Deir ez-Zor Governorate clashes (April 2018)
 * Deir ez-Zor offensive (May–June 2018)
 * Iranian strike on Hajin
 * Deir ez-Zor clashes (2023)

Pro-government forces
 Syrian government  Hezbollah 🇷🇺 Russia (since 2015) 🇮🇷 Iran (since 2013)  PMF-affiliated militias 🇮🇶 Iraq (since 2017, against ISIS only) Other armed groups:
 * Syrian Armed Forces
 * Syrian Army
 * 1st Armoured Division
 * 3rd Armoured Division
 * Qalamoun Shield Forces
 * 4th Armoured Division
 * 38th Brigade
 * 5th Corps
 * ISIS Hunters
 * 17th Division
 * 18th Armoured Division
 * 137th Brigade
 * Republican Guard
 * 104th Brigade
 * 800th Regiment
 * Tiger Forces
 * Syrian Air Force
 * National Defence Forces
 * Baqir Brigade
 * Lions of Hussein
 * Military Intelligence Directorate
 * Military Security Shield Forces
 * Forces of the Fighters of the Tribes
 * Lebanese Hezbollah
 * Radwan Force
 * Syrian Hezbollah
 * Imam Mahdi Scouts from Nubl
 * Hezbollah Rocket Division
 * Russian Armed Forces
 * 29th Army
 * 200th Artillery Brigade
 * Special Operations Forces
 * Russian Aerospace Forces
 * Wagner Group
 * 5 Storm unit
 * Wagner Group
 * 5 Storm unit
 * 5 Storm unit
 * Iranian Armed Forces
 * Islamic Revolutionary Guard Corps
 * Aerospace Force of the Islamic Revolutionary Guard Corps
 * Quds Force
 * Kata'ib al-Imam Ali
 * Harakat Hezbollah al-Nujaba
 * 12th Mechanized Brigade
 * Kata'ib Sayyid al-Shuhada
 * Kata'ib Hezbollah
 * Asa'ib Ahl al-Haq
 * Kafeel Zaynab Brigade
 * Iraqi Air Force
 * Shabiha (2011–12, merged into NDF)
 * Liwa Abu al-Fadhal al-Abbas (2011–14, rebel claim)
 * Foreign Shia groups
 * Liwa Fatemiyoun
 * Liwa Zainebiyoun
 * Syrian Resistance
 * Falcons of the Jazira and Euphrates
 * Palestinian groups
 * Al-Quds Brigade
 * Galilee Forces
 * Fatah al-Intifada
 * Free Palestine Movement
 * Sootoro
 * Allied local tribes
 * Al-Shaitat
 * Al-Baggara

SDF forces and allies
 Autonomous Administration of North and East Syria (since 2016) International Freedom Battalion (IFB) Foreign support:
 * Syrian Democratic Forces
 * People's Protection Units (YPG)
 * Anti-Terror Units
 * YPG International
 * Women's Protection Units (YPJ)
 * Deir ez-Zor Military Council
 * Gathering of al-Baggara Youth
 * Khabat al-Sha'iti Battalion
 * Hajin battalion
 * Al-Sanadid Forces
 * Manbij Military Council
 * Manbij Revolutionaries Battalion
 * Martyr Abdo Dushka Regiment
 * Army of Revolutionaries
 * Kurdish Front
 * Northern Democratic Brigade
 * Syriac Military Council (MFS)
 * Special Forces unit
 * Nattoreh
 * Federal security forces
 * Self Defence Forces (HXP)
 * Asayish
 * Communist Party of Turkey/Marxist–Leninist (TKP/ML)
 * Liberation Army of the Workers and Peasants of Turkey (TİKKO)
 * CJTF–OIR
 * 🇺🇸 United States
 * United States Armed Forces
 * United States Army
 * Delta Force
 * United States Air Force
 * Seal of the Joint Special Operations Command (JSOC).svg United States special operations forces
 * United States Marine Corps
 * 🇬🇧 United Kingdom
 * British Armed Forces
 * Royal Air Force
 * Special Air Service (unconfirmed by authorities)
 * 🇫🇷 France
 * French Air Force
 * French Army
 * 68e régiment d'artillerie d'Afrique
 * French SOF
 * 🇳🇱 Netherlands
 * 🇩🇰 Denmark (2016)
 * 🇦🇺 Australia (2016)
 * 🇮🇶 Iraq (minor cross border support since 2018, against ISIS only)
 * Popular Mobilization Forces
 * 🇷🇺 Russia (air support since 2018, against ISIS only)
 * 🇮🇶 Iraq (minor cross border support since 2018, against ISIS only)
 * Popular Mobilization Forces
 * 🇷🇺 Russia (air support since 2018, against ISIS only)
 * 🇷🇺 Russia (air support since 2018, against ISIS only)

Pro-ISIS forces
Islamic State (IS)
 * Military of ISIS
 * Wilayat al-Khayr (until 2018)
 * Wilayat al-Sham (since 2018)
 * al-Barakah district (2016–2019)
 * al-Khayr district (2018–19)
 * al-Furat district (2018–19)