- 100 Year March, The
 - Online organisation encouraging peace, equality, tolerance, environmental protection, campaign reform, and elected representative accountability. - American Political Science Association (3)
 British Politics Group
- A US-based group of political scientists, historians, and others studying British politics.- Club of Madrid
- Organisation dedicated to strengthening democracy around the world by drawing on the unique experience and resources of former heads of state and government of democratic nations.
 European Movement - Ireland
- An independent voluntary organisation, which exists to promote the economic, political and social development of Europe.- International Association for Political Science Students (IAPSS)
- Membership and organisational information.
- International Association of Centers for Federal Studies
- Association of institutes engaging in research that furthers the study of federal political systems, principles, and patterns.
- International Political Science Association
- Minorities in Political Science
- Aims to enhance the experience of minorities majoring in the field of political science.
- Pi Sigma Alpha (2)
- Political science honour society.
- Political Studies Association of the UK
- Developing and promoting the study of politics.
- Schiller Institute
- Promoting economic development, justice, and classical culture.
- UK Political Studies Association
- Developing and promoting the study of politics.
- Washington, Jefferson, and Madison Institute, The
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