The European Humanist Federation, based in Brussels, is an umbrella organization of more than 50 humanist and secularist organizations from over 20 European countries. It promotes the principles of secularism and a humanist vision of cultural, social and ethical values in Europe.

Internationaler bund der Konfessionslosen und atheisten e.V. (International League of Non-Religious and Atheists) advocates for non-religious people in Germany and pushes for a strict separation of religion and state. It is based in Overath.

The European Parliament Platform for Secularism in Politics (EPPSP) is a cross party platform of Members of the European Parliament that gives voice to the secularist movement in Europe.

L’Association humaniste du Québec (Humanist Association of Canada) is a non-profit organization that promotes critical thinking and humanist values ​​in Quebec.

The National Secular Society, based in London, works in the United Kingdom and Europe for the separation of religion and state and promotes secularism as the best means to create a society in all which people of all religions or none can live together fairly and cohesively.

Libres penseurs athées (Atheist Freethinkers) is an atheist organization located in Montreal, Quebec, Canada. Contact through the form on their website.

The Progressive Atheists were formed by four Australian atheists in 2010 to transform Australian “society through the unity of its peoples in active opposition to: religion, racism, sexism, homophobia, economic class exploitation, age discrimination and all other forms of oppression and discrimination.” It is based in Blackburn and maintains branches in Geelong and Melbourne. Contact through the website.

The Atheist Foundation of Australia seeks to promote atheism in Australia as well as serve as a fellowships and advocate of non-religious people.

The British Columbia Humanist Association is the oldest organization of freethinkers in the Lower Mainland. It provides a community for humanists, atheists, agnostics, and other freethinkers in Vancouver and across the province. Ian Bushfield is the executive director.