Africa

• Anti-War Coalition
  Anti-War Coalition
  The Anti-War Coalition is a coalition of South African anti-war activists. It could have links to the international Stop the War Coalition but has instead chosen to involve itself with local politics, in particular the Workers International Vanguard League...
  
  
• Committee on South African War Resistance
• End Conscription Campaign
  End Conscription Campaign
  The End Conscription Campaign was an anti-apartheid organisation allied to the United Democratic Front and composed of conscientious objectors and their supporters in South Africa...
  
  
• Koeberg Alert
  Koeberg Alert
  Koeberg Alert formed in 1983 and started out as a local campaign against South Africa's nuclear programme, in particular the construction of Koeberg Nuclear Power Station. Koeberg Alert is possibly the country's first activist green movement, apart from Nan Rice's Dolphin Action and Protection...
  
  

Europe

• Campaign for Nuclear Disarmament
  Campaign for Nuclear Disarmament
  The Campaign for Nuclear Disarmament is an anti-nuclear organisation that advocates unilateral nuclear disarmament by the United Kingdom, international nuclear disarmament and tighter international arms regulation through agreements such as the Nuclear Non-Proliferation Treaty...
  
  
• Committee of 100
• Direct Action Committee
  Direct Action Committee
  The Direct Action Committee against nuclear war was a pacifist organization formed "to assist the conducting of non-violent direct action to obtain the total renunciation of nuclear war and its weapons by Britain and all other countries as a first step in disarmament"...
  
  
• Geneva Call
  Geneva Call
  Geneva Call is an NGO based in Geneva, Switzerland that focuses on engaging armed non-state actors, such as guerrilla groups and liberation movements, to respect international humanitarian law and human rights law...
  
  
• Military Families Against the War
  Military Families Against the War
  Military Families Against the War is an organisation of families of servicemen in the United Kingdom created to campaign for British troops to be withdrawn from Iraq.The group's mission statement sets out their objectives as follows:...
  
  
• Peace Pledge Union
  Peace Pledge Union
  The Peace Pledge Union is a British pacifist non-governmental organization. It is open to everyone who can sign the PPU pledge: "I renounce war, and am therefore determined not to support any kind of war...
  
  
• School Students Against War
  School Students Against War
  School Students Against War is an active school students' anti-war group based in the UK. It was established in 2003 as a youth off-shoot of Stop the War Coalition, and is completely organised and maintained by School and FE College students.]...
  
  
• Spies for Peace
  Spies for Peace
  The Spies for Peace was a group of anti-war activists associated with the Committee of 100 who publicized government preparations for rule after a nuclear war. In 1963 they broke into a secret government bunker, Regional Seat of Government Number 6 at Warren Row, near Reading, where they...
  
  
• Stop the War Coalition
  Stop the War Coalition
  The Stop the War Coalition is a United Kingdom group set up on 21 September 2001 that campaigns against what it believes are unjust wars....
  
  
• Stop the War Committee
  Stop the War Committee
  The Stop the War Committee was an anti-war organisation that opposed the Second Boer War. It was formed by William Thomas Stead in 1899. Its president was John Clifford and prominent members included Lloyd George and Keir Hardie...
  
  

United States

• America First Committee
  America First Committee
  The America First Committee was the foremost non-interventionist pressure group against the American entry into World War II. Peaking at 800,000 members, it was likely the largest anti-war organization in American history. Started in 1940, it became defunct after the attack on Pearl Harbor in...
  
  
• American League Against War and Fascism
  American League Against War and Fascism
  The American League Against War and Fascism was an organization formed in 1933 by the Communist Party USA and pacifists united by their concern as Nazism and Fascism rose in Europe...
  
  
• American Peace Mobilization
  American Peace Mobilization
  The American Peace Mobilization was a peace group, officially cited in 1947 by United States Attorney General Tom C. Clark on the Attorney General's List of Subversive Organizations for 1948, as directed by President Harry S...
  
  
• A.N.S.W.E.R.
  A.N.S.W.E.R.
  Act Now to Stop War and End Racism , also known as International A.N.S.W.E.R. and the ANSWER Coalition, is a United States-based protest umbrella group consisting of many antiwar and civil rights organizations...
  
   (also known as International ANSWER and ANSWER Coalition)
• Another Mother For Peace
  Another Mother For Peace
  Another Mother for Peace is a grass-roots anti-war advocacy group founded in 1967 in opposition to the U.S. war in Vietnam. The association is “dedicated to eliminating the use of war as a means of solving disputes among nations, people and ideologies...
  
  
• Anti-War Committee
  Anti-War Committee
  The Anti-War Committee is an organization based in Minneapolis, Minnesota. The AWC organizes many protests, educational events and other related activities. They played a leading role in the movement to protest against the Iraq war at the 2008 Republican National Convention in St...
  
  
• Antiwar.com
  Antiwar.com
  Antiwar.com is a website devoted to opposing aggressive war, imperialism, and assaults on freedom associated with both. The editors describe their politics as libertarian. Their stated motiviation is, "to show how the imperialistic tendencies of the American government lead to a loss of civil...
  
  
• Campus Antiwar Network
  Campus Antiwar Network
  Campus Antiwar Network is an American independent grassroots network of students opposing the occupation of Iraq and military recruiters in US schools...
  
  
• Campaign for Liberty
• Committee for Nonviolent Revolution
  Committee for Nonviolent Revolution
  The Committee for Nonviolent Revolution, or CNRV, was a pacifist organization founded in Chicago at a conference held from February 6 through 9, 1946. Many of the founding members were conscientious objectors who had served time in prison or in Civilian Public Service camps due to their refusal to...
  
  
• Center on Conscience & War
  Center on Conscience & War
  The Center on Conscience & War is a United States non-profit anti-war organization dedicated to defending and extending the rights of conscientious objectors. The group is located in Washington, D.C., and attempt to find creative ways to support anyone who opposes participation in war. The group...
  
   (formerly known as NISBCO)
• Central Committee for Conscientious Objectors
  Central Committee for Conscientious Objectors
  The Central Committee for Conscientious Objectors is a United States organization founded in 1948 and dedicated to helping people avoid or resist military enlistment...
  
  
• The Council for National Interest
• Code Pink: Women for Peace
• Common Dreams
• Coffee Strong
  Coffee Strong
  Coffee Strong is a GI coffeehouse based on the tradition of resistance coffee houses opened during the Vietnam war by antiwar veterans and active duty soldiers. Based in Lakewood, WA it was founded in 2008 by veterans returning from the wars in Afghanistan and Iraq. Its located within 300 meters of...
  
  
• ChildVoice International
  ChildVoice International
  ChildVoice International is a Christian nonprofit organization which attempts to assist child soldiers and other child war victims.-Activities:...
  
  
• GI Rights Network
  GI Rights Network
  The GI Rights Network is coalition of nonprofit, nongovernmental organizations that provide free and confidential information to United States military servicemembers, veterans, and their families. Most of the work of the Network is done through the GI Rights Hotline, but the Network also provides...
  
  
• Gold Star Families for Peace
  Gold Star Families for Peace
  Gold Star Families for Peace is a United States-based organization founded in January 2005 by individuals who lost family members in the Iraq War, and are thus entitled to display a Gold Star. It is considered an offshoot of Military Families Speak Out...
  
  
• Iraq Veterans Against the War
  Iraq Veterans Against the War
  Iraq Veterans Against the War is an advocacy group of active-duty United States military personnel, Iraq War veterans, Afghanistan War veterans, and other veterans who have served since the September 11, 2001 attacks who are opposed to the U.S. occupation of Iraq...
  
  
• Iraq Peace Action Coalition
  Iraq Peace Action Coalition
  The Iraq Peace Action Coalition is an antiwar organization based in Minneapolis, Minnesota. The coalition was created in order to coordinate activities by local activists in opposition to the U.S. war against Iraq. IPAC also sponsors protests against escalations of the war in Afghanistan...
  
  
• LewRockwell.com
  LewRockwell.com
  LewRockwell.com is a 501 libertarian web magazine operated by Burton Blumert , Lew Rockwell , Eric Garris , and others associated with the Center for Libertarian Studies ; its motto is "anti-state, anti-war, pro-market"...
  
  
• Long Island Alliance for Peaceful Alternatives
  Long Island Alliance for Peaceful Alternatives
  Long Island Alliance for Peaceful Alternatives is a Non-profit organization founded in 1985 to provide educational programs on peace and national security issues and to promote dialogue on the role and responsibility of citizens in determining national priorities and policies. The organization is...
  
  
• Military Families Speak Out
  Military Families Speak Out
  Military Families Speak Out is a US based anti-Iraq war group.Military Families Speak Out was founded by two military families in November, 2002 to speak out against the planned US invasion of Iraq to try to prevent the invasion....
  
   (not anti-war, opposed only to war in Iraq)
• National Coordinating Committee to End the War in Vietnam
  National Coordinating Committee to End the War in Vietnam
  The National Coordinating Committee to End the War in Vietnam was a group that became an umbrella anti-Vietnam war group. Members of this group convinced Senator Eugene McCarthy to run in the primaries against Lyndon B. Johnson as an anti-war primary candidate....
  
  
• National War Tax Resistance Coordinating Committee
  National War Tax Resistance Coordinating Committee
  The National War Tax Resistance Coordinating Committee is an American activist coalition that promotes tax resistance as a way to protest against and/or disassociate from war and militarism....
  
  
• Nevada Shakespeare Company
  Nevada Shakespeare Company
  The Nevada Shakespeare Company is an activist theatre based in Reno, Nevada, near Nevada's border with California. It defines its mission to be to "meeting the needs of our uniquely challenging and diverse community...
  
  
• Not in Our Name
  Not in Our Name
  Not in Our Name was a United States organization founded on March 23, 2002 to protest the U.S. government's course in the wake of the September 11, 2001 attacks; it disbanded on March 31, 2008.-Two key documents:...
  
  
• Peace Action
  Peace Action
  Peace Action is a peace organization formed through the merger of The Committee for a SANE Nuclear Policy and the Nuclear Weapons Freeze Campaign...
  
  
• Port Militarization Resistance
  Port Militarization Resistance
  Port Militarization Resistance is an anti-war organization in the United States. The organization began in May 2006, in Olympia, Washington, but also has chapters in Tacoma, Washington, Grays Harbor, Washington, and the Mid-Atlantic region. Port Militarization Resistance is also the name of the...
  
  
• September Eleventh Families for Peaceful Tomorrows
  September Eleventh Families for Peaceful Tomorrows
  September Eleventh Families for Peaceful Tomorrows, also known as 9/11 Families for Peaceful Tomorrows or simply Peaceful Tomorrows, is an anti-war organization for survivors of the September 11, 2001 attacks and friends and family members of the victims.It aims to develop and advocate nonviolent...
  
  
• Student Nonviolent Coordinating Committee
  Student Nonviolent Coordinating Committee
  The Student Nonviolent Coordinating Committee ' was one of the principal organizations of the American Civil Rights Movement in the 1960s. It emerged from a series of student meetings led by Ella Baker held at Shaw University in Raleigh, North Carolina in April 1960...
  
  
• Students for a Democratic Society
  Students for a Democratic Society (2006 organization)
  Students for a Democratic Society is a United States student organization representing left wing beliefs. It takes its name and inspiration from the original SDS of 1960-1969, then the largest radical student organization in US history...
  
  
• The World Can't Wait
  The World Can't Wait
  The World Can't Wait is a group in the United States dedicated to mobilizing mass resistance to what it describes as crimes committed by the US government.-Formation and goals:...
  
  
• Troops Out Now Coalition
  Troops Out Now Coalition
  The Troops Out Now Coalition is a United States anti-war organization, which describes itself as "a national grassroots coalition of antiwar activists, trade unionists, solidarity activists and community organizers." Closely associated with the revolutionary communist Workers World Party, TONC...
  
  
• United for Peace and Justice
  United for Peace and Justice
  United for Peace and Justice is a coalition of more than 1,300 international and U.S.-based organizations opposed to "our government's policy of permanent warfare and empire-building."...
  
  
• Veterans for Peace
  Veterans for Peace
  Veterans For Peace is a United States organization founded in 1985. Made up of male and female US military veterans of World War II, the Korean War, the Vietnam War, the Gulf War, and other conflicts, as well as peacetime veterans, the group works to promote alternatives to war.-Foundation:The...
  
  
• Vietnam Veterans Against the War
  Vietnam Veterans Against the War
  Vietnam Veterans Against the War is a tax-exempt non-profit organization and corporation, originally created to oppose the Vietnam War. VVAW describes itself as a national veterans' organization that campaigns for peace, justice, and the rights of all United States military veterans...
  
  
• War Resisters League
  War Resisters League
  The War Resisters League was formed in 1923 by men and women who had opposed World War I. It is a section of the London-based War Resisters' International.Many of the founders had been jailed during World War I for refusing military service...
  
  

Canada

• Canadian Peace Alliance
  Canadian Peace Alliance
  The Canadian Peace Alliance / L'Alliance canadienne pour la paix is a Canadian umbrella peace organization claiming more than 140 member groups...
  
  
• Ceasefire Canada
  Ceasefire Canada
  Ceasefire.ca is a public policy research and advocacy group. It functions as the research and advocacy arm of the Rideau Institute on International Affairs.-History :...
  
  
• Nova Scotia Voice of Women
  Nova Scotia Voice of Women
  The Nova Scotia Voice of Women for Peace is an active branch of the Canadian Voice of Women for Peace . Established in 1960, VOW is a local, national and international feminist Non Governmental Organization composed of diverse women with consultative status at the United Nations Economic & Social...
  
  
• War Resisters Support Campaign
  War Resisters Support Campaign
  The War Resisters Support Campaign is a Canadian non-profit community organization, founded in April 2004 in Toronto, Ontario to mobilize support among Canadians and worldwide to convince the Canadian government to offer sanctuary to all U.S...
  
  

Oceania

• Global Peace and Justice Auckland
  Global Peace and Justice Auckland
  Global Peace and Justice Auckland describes itself as "a network of people who provide a platform for individuals and groups to discuss and organise co-operatively on peace and justice issues." They are well known for organising the Auckland component of the global February 15, 2003 anti-war...
  
  
• Peace Action Wellington
  Peace Action Wellington
  Peace Action Wellington is an organisation in Wellington, New Zealand, that campaigns for peace, justice and self determination.The group was founded in 2002 to oppose wars, particularly the 2003 invasion of Iraq, and played a prominent role in the New Zealand anti-war movement's opposition to the...
  
  
• Stop the War Coalition
  Stop the War Coalition (Australia)
  Stop the War Coalition is an Australian anti-war group initially formed in Sydney in 2003 and later in Melbourne in 2004 mainly in response to the US-led wars in Iraq and Afghanistan and the general "War on Terror" of which the Australian Government has been a strong ally...
  
  

International

• Campaign Against Sanctions and Military Intervention in Iran
  Campaign Against Sanctions and Military Intervention in Iran
  Campaign Against Sanctions and Military Intervention in Iran is a group of academics, students and professionals of Iranian and non-Iranian backgrounds formed to oppose sanctions on Iran by the United States.-History:...
  
  
• Hands Off the People of Iran
  Hands Off the People of Iran
  Hands Off the People of Iran is a leftist anti-war group led mostly by exiled Iranian and British socialists, based in the United Kingdom. It is opposed to Western military intervention in Iran, which it considers imperialist. It also criticises the government of Iran, while advocating radical...
  
  
• International Campaign Against Aggression on Iraq
  International Campaign Against Aggression on Iraq
  The International Campaign Against Aggression on Iraq is a campaign umbrella group launched in Cairo 2003, at the Cairo Anti-war Conference, to oppose the invasion of Iraq....
  
  
• International Fellowship of Reconciliation
  International Fellowship of Reconciliation
  The International Fellowship of Reconciliation is an international faith-based nonviolent movement created shortly after the First World War, in 1919, to draw together national Fellowships of Reconciliation that had been founded during the war....
  
  
• Students for Justice in Palestine
  Students for Justice in Palestine
  Students for Justice in Palestine is a student organization which was first established at the University of California, Berkeley in 2001...
  
  
• War Resisters' International
  War Resisters' International
  War Resisters' International is an international anti-war organization with members and affiliates in over thirty countries. Its headquarters are in London, UK.-History:...
  
  
• World Peace Council
  World Peace Council
  The World Peace Council is an international organization that advocates universal disarmament, sovereignty and independence and peaceful co-existence, and campaigns against imperialism, weapons of mass destruction and all forms of discrimination...
  
  
• Women's International League for Peace and Freedom
  Women's International League for Peace and Freedom
  The Women's International League for Peace and Freedom was established in the United States in January 1915 as the Woman's Peace Party...
  
  

Christian

• American Friends Service Committee
  American Friends Service Committee
  The American Friends Service Committee is a Religious Society of Friends affiliated organization which works for peace and social justice in the United States and around the world...
  
  
• Anglican Pacifist Fellowship
  Anglican Pacifist Fellowship
  The Anglican Pacifist Fellowship is a body of people within the Anglican Communion who reject war as a means of solving international disputes, and believe that peace and justice should be sought through non-violent means .-Origins and early history:...
  
  
• Catholic Association for International Peace
  Catholic Association for International Peace
  The Catholic Association for International Peace was founded in 1927 by John A. Ryan. It based its opposition to war on the traditional just war doctrine.-Opposition to the Vietnam War :...
  
  
• Catholic Worker Movement
  Catholic Worker Movement
  The Catholic Worker Movement is a collection of autonomous communities of Catholics and their associates founded by Dorothy Day and Peter Maurin in 1933. Its aim is to "live in accordance with the justice and charity of Jesus Christ." One of its guiding principles is hospitality towards those on...
  
  
• Episcopal Peace Fellowship
  Episcopal Peace Fellowship
  The Episcopal Peace Fellowship is a U.S. peace organization composed of members of the Episcopal Church. It was originally founded on November 11, 1939 as the Episcopal Pacifist Fellowship by Bishop William Appleton Lawrence, Mrs. Henry Hill Pierce, Rev. John Nevin Sayre and Bishop Paul Jones and...
  
  
• Friends Committee on National Legislation
  Friends Committee on National Legislation
  The Friends Committee on National Legislation a 501 lobbying organization in the public interest founded in 1943 by members of the Religious Society of Friends...
  
  
• Mennonite Central Committee
  Mennonite Central Committee
  The Mennonite Central Committee is a relief, service, and peace agency representing 15 Mennonite, Brethren in Christ and Amish bodies in North America. The U.S. headquarters are in Akron, Pennsylvania, the Canadian in Winnipeg, Manitoba.-History:...
  
  
• Methodist Peace Fellowship
  Methodist Peace Fellowship
  The Methodist Peace Fellowship is a British Methodist Christian pacifist organization.The Methodist Peace Fellowship was founded by Rev. Henry Carter in 1933 to inform and unite Methodists who covenanted together "to renounce war and all its works and ways."' It is part of the international...
  
  
• Pax Christi
  Pax Christi
  -History:Pax Christi was established in France in 1945 as a reconciliation work between the French and the Germans after the Second World War. In 2007, it existed in more than 60 countries...
  
  
• Pentecostal Charismatic Peace Fellowship
  Pentecostal Charismatic Peace Fellowship
  The Pentecostal Charismatic Peace Fellowship is a multicultural, gender inclusive, and ecumenical organization that promotes peace, justice, and reconciliation work among Pentecostal and Charismatic Christians...
  
  

Buddhist

• Buddhist Peace Fellowship
  Buddhist Peace Fellowship
  The Buddhist Peace Fellowship is a nonsectarian international network of engaged Buddhists participating in various forms of nonviolent social activism and environmentalism with chapters all over the world...