International Society for Individual Liberty:Provides intellectual resources and tools for grassroots advocacy and arranges international conferences for libertarians from all over the world.
Advocates for Self-Government: Libertarian polemics, as well as the home site for the Nolan quiz. Publishes a biweekly.
Albanian Libertarian Association: Aspires to defend, disseminate, advance, promote and integrate the ideas of classical liberalism in Albanian society.
Association of Libertarian Feminists: Information on ALF's purpose, news, discussion papers, and membership information.
Australian Libertarian Society: Promotes individual liberty in Australia.
Citizens for a Sound Economy: Advocates market-based solutions to public policy problems.
CyberNation of Freedom: Dedicated to change the world for the better by returning and defending the inalienable rights of individuals everywhere.
Democratic Freedom Caucus: Advancing libertarians and libertarian ideas within the Democratic Party. The site offers news, policy information and links.
European Free State: A site with a goal to create a place in Europe for those who want to be free.
European Libertarians: Links to libertarian organizations in the major European countries.
Free State Project: An organization seeking to persuade 20,000 or more liberty-oriented people to move to New Hampshire, where they may work within the political system to reduce the size and scope of government.
FreeOhio: A group of people valuing freedom and devoted to preserving liberty in Ohio.
Libertarian Freedom Council: An independent libertarian political organization that promotes libertarianism and works with young professionals, students and entrepreneurs.
Libertarian Futurist Society: An organization promoting libertarian science fiction.
Libertarian International: Network of continental liberty advocates.
Libertarian International Organization: Portal to world libertarian resources, including party websites and studies.
Liberty Committee: Group of libertarian Congressmen dedicated to the advancement of liberty.
Liberty Network: European free-market libertarians.
Liberty Round Table: A group of liberty advocates.
Mont Pelerin Society: A classical liberal society, founded by Friedrich Hayek and other scholars.
Nova Civitas: Political club in Flanders, Belgium. In Flemish and in English.
Outright Libertarians: Gay, lesbian, bisexual, and transgendered Libertarian activists.
Pacific Legal Foundation: Supports pro bono litigation for less government and objective law.
Philosophers Guild: Libertarian oriented association dedicated to independent thinking. Newsletter, member list, and list of links.
Professors of Liberty: An organization consisting of those faculty members at the universities who embrace and advocate the ideals of individual liberty and self-responsibility.
Republican Liberty Caucus: Works to advance the principles of limited government, individual liberty and free markets within the Republican Party and throughout the United States.
Small Business Survival Committee: Archived media advocacy and issue papers promoting less regulation. Internships available.
Society for Individual Freedom: British organization campaigns for more personal freedom, less State control, and for genuinely free enterprise. Publishes pro-freedom articles.
The Federalist Society for Law and Public Policy Studies: Research in objective law with papers and support for university chapters.
The Libertarian Society of South Africa: Lists meeting times and club principles.
Thomas Paine Network: A caucus encouraging dialogue between the libertarian right with their critique of centralized government and the libertarian left with their critique of monopoly capitalism.
West Coast Libertarian Foundation: A Canadian libertarian organization in the Greater Vancouver area.