Syrian opposition (2011–2024) refers to groups opposing the Ba'athist Syrian government and former president Bashar al-Assad during the Syrian civil war. Jihadist groups such as the Islamic State are generally not included under that definition.

Syrian opposition may specifically refer to:

Syrian civil war :

• National Coalition of Syrian Revolutionary and Opposition Forces or Syrian National Coalition (SNC), a coalition of opposition groups founded in 2012
• Syrian National Council, a coalition founded in 2011 that preceded the Syrian National Coalition as the main opposition structure
• Local Coordination Committees of Syria, groups formed in Syria during the early stages of the uprising
• National Coordination Committee for Democratic Change, a coalition operating from inside Syria and trying to negotiate with the regime
• Popular Front for Change and Liberation, a coalition of Syrian political parties and the official political opposition within the People's Assembly of Syria during Bashar al-Assad's rule
• Structures such as the Supreme Council of the Syrian Revolution, the Syrian Revolution General Commission and the Syrian Revolution Coordinators Union
• Hay'at Tahrir al-Sham (HTS), Ahrar al-Sham, Jaysh al-Islam and other Islamist organizations
• Syrian Salvation Government (affiliated to HTS) and the Syrian Interim Government (affiliated to the SNC)
• Free Syrian Army, the main armed rebel faction during the early stages of the war
• Other armed factions in the Syrian civil war opposed to the Ba'athist regime during the civil war, including the Military Operations Command (affiliated to HTS), the Syrian National Army (affiliated to the Syrian Interim Government), the Southern Front, the Syrian Liberation Front and the Syrian Free Army
• Syrian Negotiation Commission (known from 2015 to 2017 as the High Negotiations Committee) in the context of the Syrian peace negotiations
• Democratic Autonomous Administration of North and East Syria (Rojava), its political body, the Syrian Democratic Council and its military wing, the Syrian Democratic Forces

Before the civil war :

• Organizations founded abroad to oppose the Assad regime, including the National Democratic Rally, the Reform Party of Syria, the Syrian Democratic People's Party, the National Salvation Front in Syria, the Movement for Justice and Development in Syria and the National Alliance for the Liberation of Syria
• Signatories of the statement of 99 and the statement of 1000
• Platforms that emerged during the Damascus Spring, including the Riad Seif Forum
• Organizations associated with the Damascus Declaration
• Organizations that opposed the regime from Syria during the presidency of Hafez al-Assad, including the Syrian Muslim Brotherhood

• Syrian civil war, 2011-2024 multi-sided civil war in Syria
• Inter-rebel conflict during the Syrian civil war, conflict among factions of the Syrian opposition and Free Syrian Army throughout the Syrian Civil War
• Syrian Social Nationalist Party, a party in Lebanon, Syria, Jordan, Iraq and Palestine that advocates a Greater Syrian nation state
• Hizb ut-Tahrir, an international pan-Islamist and fundamentalist political organization