Category

Atheist organizations

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Church of Satan

international organization dedicated to the religion of Satanism

Atheist Alliance International

International Organization

Humanists International

The Satanic Temple

nontheistic religious group based in the United States

state religion during the French Revolution

Brights movement

international intellectual movement

League of Militant Atheists

Freedom from Religion Foundation

American organization dedicated to separation of church and state

pantheistic white separatist religious movement, founded in Lighthouse Point, Florida, by Ben Klassen in 1973; promotes the veneration of the white race and the safeguarding of its survival

Richard Dawkins Foundation for Reason and Science

non-profit organization

American Humanist Association

American nonprofit organization

Center for Inquiry

American nonprofit organization

National Secular Society

Ayn Rand Institute

non-profit organization in the USA

Union of Rationalist Atheists and Agnostics

secularist organization of Italy

Sunday Assembly

non-religious gathering

International League of non-religious and atheists

international associatio formed in 1976

Atheism Association

Turkish organization

Neo-Communist Party of the Soviet Union

political party in the Soviet Union

Internet Infidels

American nonprofit (1995-)

Norwegian Atheists' Society

thumb|upright|Logo of Ateistene. Ateistene () is a non-partisan irreligious society that was established in 1974 and whose main focus is counteracting the Church of Norway and Christian influence in Norway.

Faith to Faithless

non-religious organization

Union of Freethinkers of Finland

secularist and freethought organisation in Finland

list of secularist organizations

Wikimedia list article

Ex-Muslims of North America

US non-profit focused on former Muslim advocacy

Tatar Union of the Godless

organisation in the Muslim republics

Institute of Scientific Atheism

Soviet research institute

Rational Response Squad

atheist activist group