Uluslararası Ateist Birliği

* Afganistan ** Afghans Atheists Organization * Güney Afrika Cumhuriyeti ** Free Society Institute * Almanya ** Internationaler Bund der Konfessionslosen und Atheisten * Arjantin ** ArgAtea - Asociación Civil de Ateos en Argentina * Avustralya ** Atheist Foundation of Australia ** Progressive Atheists * Avusturya ** Alliance for Humanism and Atheism * Brezilya ** Liga Humanista Secular do Brasil * Kamerun ** Le Libre Pensée Cameroun * Kanada ** BC Humanist Association ** Libres penseurs athées ** Kamloops Centre for Rational Thought * Kolombiya ** Organización Colombiana de Ateos * Danimarka ** Ateistisk Selskab * İspanya ** Iniciativa Atea * Amerika Birleşik Devletleri ** Atheist Alliance of america (AAA) ** Atheists and Other Freethinkers (AOF) ** Freedom From Religion foundation ** Minnesota Atheists * Finlandiya ** Atheist Association of Finland * Gambiya ** Gambia Secular Assembly * Yunanistan ** EΝΩΣΗ ΑΘΕΩΝ * Endonezya ** Indonesian Atheists * İzlanda ** Samfélag Trúlausra (SAMT) * İrlanda ** Atheist Ireland * Hindistan ** Atheist Centre * Lübnan ** Freethought Lebanon * Malavi ** Secular Humanism Malawi * Malezya ** Society of Asian Freethinkers * Malta ** Malta Humanist Association * Nijerya ** Nigerian Humanist Movement * Norveç ** Hedningsamfunnet * Uganda ** Atheist Association of Uganda * Pakistan ** Pakistani Atheists & Agnostics (PAA) * Hollanda ** Atheïstisch Verbond * Filipinler ** Philippine Atheists and Agnostics Society (PATAS) * Porkekiz ** Portal Ateu – Movimento Ateísta Português (PAMAP) * Birleşik Krallık ** Atheism UK ** Council of Ex-Muslims of Britain * Rusya Federasyonu ** Society of Modern Atheism & Humanism Russia ** Ассоциация Атеизма и Гуманизма России * Suriye ** Syrian Atheists Network شبكة الملحدين السوريين