Below are some links to national organizations of various types in the U.S.A.
African Americans for Humanism supports skeptics, doubters, humanists, and atheists in the African American community, provides forums for communication and education, and facilitates coordinated action to achieve shared objectives.
American Atheists, Inc., fights on the front lines of the battle for separation of religion and government, laboring for the civil liberties of atheists. Since 1963, American Atheists has challenged the intrusion of religion and religious tradition in schools, work, and public policy while educating millions about what it means to be an atheist.
The American Union is a national federation of Ethical Culture/Ethical Humanist Societies. Founded in 1876, Ethical Societies are congregational, religious humanist fellowships that meet regularly to explore ethical issues and ideals and to foster ethical relationships between individuals and groups. Ethical Societies are actively engaged in social justice activities such as civil and human rights and protecting the secular nature of government.
The American Humanist Association advocates for progressive values and equality for humanists, atheists, and freethinkers. Promoting the idea that you can be good without a god since 1941, and today headquartered in Washington, DC, the American Humanist Association litigates, lobbies, advertises, publishes, organizes and speaks out to promote the positive philosophy of humanism and further humanist causes.
The Association of Mindfulness Meditation and Secular Buddhism (AMMSB) is a nonprofit organization that promotes Secular Buddhism and secular meditation by advocating, introducing, and teaching the benefits of these practices to the diverse secular communities across the United States and around the world. The AMMSB makes no supernatural claims and advocates only those practices that are consistent with or corroborated by reason and the best science available. They believe that, when properly understood, secular Buddhism and meditation lead to responsible ethical practices based on compassion, charity and the pursuit of meaning and knowledge.
Atheist Alliance for America is a national educational organization dedicated to developing and providing educational, advocacy, and community-building programs for the atheist community.
Black Atheists of America (BAAm) is a non-profit organization dedicated to bridging the gap between atheism and the black community. Because religion is so deeply ingrained in the black community, black atheists often find themselves as a dual minority in the overall atheist community. BAAm hopes that its efforts will build a stronger overall atheist community by encouraging black atheists to be open about their stance on religion.
The mission of Black Nonbelievers is to provide secular fellowship, nurture and support nonbelievers in coming out, promote atheist pride, organize nonbelievers for charitable causes. They strive to connect with other Blacks (and their allies) who are living free of religion and irrational beliefs, and might otherwise be shunned by family and friends. Instead of accepting dogma, we seek to determine truth and morality through reason and evidence.
Those who register into this Internet constituency have worldviews free of the supernatural deities, forces, and entities in which so many others believe. They stand for “a level playing field” that provides the same foothold in society as citizens who believe in the supernatural. The time is here to garner visibility and work for full social acceptance and civic participation.
The mission of the Center for Inquiry is to foster a secular society based on science, reason, freedom of inquiry, and humanist values. The Center for Inquiry has centers nationwide as well as overseas.
The mission of the Council for Secular Humanism is to advocate and defend a nonreligious lifestance rooted in science, naturalistic philosophy, and humanist ethics, and to serve and support adherents of that lifestance. Its activities range from magazine publishing and campaigning on ethical issues to holding conferences and supporting a network of autonomous local groups.
This group was developed to nurture within the deaf community a broad understanding and respect for reason, science and the world around us.
The Foundation works as an umbrella for those who are free from religion and are committed to the cherished principle of separation of state and church. The Foundation publishes the newspaper Freethought Today, broadcasts Freethought Radio, conducts annual national conventions, places freethought billboards and bus signs, sponsors student essay competitions with cash awards, promotes freedom from religion with educational materials, and is active in litigation to defend the separation of church and state.
The goal of the Freethought Society is to raise awareness and acceptance of the non-theist community.
Hispanic American Freethinkers (HAFree) is a non-profit national educational charity organization which serves as resource and support to all Hispanic freethinkers in promoting the search for truth through science, rational thought, skepticism, humanism, logic, scientific criticism of all un-natural (i.e. supernatural, paranormal) claims and dogmas, rational evaluation of faith-based myths, the Constitutional principle of church/state separation, secular values, promotion of critical thinking in general as well as absolute freedom of conscience. HAFree seeks to be a voice for those who can’t speak for themselves by serving all those Hispanics who live in the U.S. providing them with the necessary tools to support Freethought.
The UU Humanists Association, strives to promote and extend the use of rational inquiry without supernatural considerations, followed by compassionate action in all human interactions. For over fifty years, UU Humanists Association and its precursor organizations have celebrated the Humanist Manifesto’s vision of a religion without gods through scholarship, teaching, promotion and advocacy – both within Unitarian Universalism and in the wider world.
The mission of the Richard Dawkins Foundation for Reason and Science is to support scientific education, critical thinking and evidence-based understanding of the natural world in the quest to overcome religious fundamentalism, superstition, intolerance and suffering.
Secular Woman amplifies the voice, presence, and influence of non-religious women. Membership is open to all who support the mission.
Embracing a human-centered philosophy that combines the celebration of Jewish culture and identity with an adherence to humanistic values and ideas, the Society for Humanistic Judaism offers a nontheistic alternative within Judaism. The Society organizes and supports inclusive congregations and communities, creates celebrations for Shabbat, Jewish holidays and life cycles, publishes resources and educational materials, and offers adult and children’s programs in communities and on campuses.
A home on the internet for positive atheists, humanists, agnostics, freethinkers, and others of like mind.