| 3HO | Healthy, Happy, Holy Organization | In English | → Modern spiritual movements → Indian religions |
| AAEI | Association pour l'Avancement des Études Islamiques | In French | → Associations → Islam |
| AAORRAC | Antiquus Arcanus Ordo Rosae Rubaea et Auraea Crucis | In Latin | |
| AAR | American Academy of Religion | In English | → Academies |
| ABD | Anchor Bible Dictionary | In English | → 030 |
| AC | Apostolic Carmel | In English | → Roman catholic church |
| ACCRI | Associazione di Cooperazione Cristiana Internazionale | In Italian | → Associations → Christianity → Development |
| ACEC | Associazione Cattolica Esercenti Cinema | In Italian | → Associations → Roman catholic church → Cinema, movies |
| AcF | Akademie für christliche Führungskräfte | In German | → Academies → Christianity → Economics |
| ACHA | American Catholic Historical Association | In English | → Associations → Roman catholic church → History |
| ACICA | Association de Coopération Islamique de la Communauté Africaine | In French | → Associations → Islam |
| ACIM | A Course in Miracles | In English | → Modern spiritual movements |
| ACSIS | Australian Centre for Sufism and Irfanic Studies | In English | → Islam |
| ACU | Australian Catholic University | In English | → Roman catholic church → Higher education, universities |
| ACV | Algemeen Christelijk Vakverbond = CSC | Confédération des Syndicats Chrétiens | In French |
In Dutch | → Organizations and associations → Labour, labour economics → Christianity |
| ADRA | Adventist Development and Relief Agency | In English | → Organizations and associations → Christianity → Development |
| AECQ | Assemblée des Évêques Catholiques du Québec | In French | → Roman catholic church |
| AFA | American Family Association | In English | → Associations → Christianity |
| AFIC | Australian Federation of Islamic Councils | In English | → Organizations and associations → Islam |
| AIC | Australian Islamic College | In English | → Education → Islam |
| AICK | Association Internationale pour la Conscience de Krishna = ISKCON | International Society for Krishna Consciousness | In English |
In French | → Indian religions → Modern spiritual movements |
| AIEP | Association Internationale des Études Patristiques = IAPS | International Association of Patristics Studies | In English |
In French | → Associations → Archeology → Roman catholic church |
| AiG | Answers in Genesis | In English | → Christianity |
| AJC | Ancient Jewish Coinage | In English | → Judaism → Economics |
| AJHS | American Jewish Historical Society | In English | → Organizations and associations → Judaism → History |
| AMA | Ausiliarie Missionarie Agostiniane | In Italian | → Roman catholic church |
| AMORC | Antiquus Mysticusque Ordo Rosae Crucis | In Latin | → Philosophy, psychology |
| AMORC | Alter Mystischer Orden Rosae Crucis | In German | → Christianity |
| AMR | Association of Muslim Researchers | In English | → Associations → Islam |
| AmZI | Arbeitsgemeinschaft für das messianische Zeugnis an Israel | In German | → Associations |
| AO | Apostolic Oblates | In English | → Roman catholic church |
| AOH | Ancient Order of Hibernians (www.aoh.com) | In English | → Organizations and associations → Roman catholic church |
| APV | Alliance Pierres Vivantes | In French | → Modern spiritual movements |
| ARA | Amore Riparazione e Apostolato | In Italian | → Christianity |
| ARJ | Association des Radios Juives | In French | → Associations → Telecommunications → Judaism |
| ARN | Access Research Network (www.arn.org) | In English | → Christianity |
| ASC | Adorers of the Blood of Christ | In English | → Roman catholic church |
| ASCH | American Society of Church History | In English | → Organizations and associations → History |
| ASDAH | Association of Seventh-Day Adventist Historians | In English | → Associations → Christianity → History |
| ASI | Ancillae Secular Institute | In English | → Roman catholic church |
| ASIDCOM | Association de Sensibilisation, d'Information et de Défense des Consommateurs Musulmans | In French | → Associations → Islam → Consumerism |
| ASISTI | Asocio de Studado Internacia pri Spiritaj kaj Teologiaj Instruoj | In Esperanto | → Associations |
| ASMI | Assisi Sisters Of Mary Immaculate | In English | → Roman catholic church |
| ASMI | Apostolic Sisters of Mary Immaculate | In English | → Roman catholic church |
| ASR | Ancient Synagogues Revealed | In English | → Judaism → History |
| ATEO | Ateista Tutmonda Esperanto-Organizo | In Esperanto | → Organizations and associations |
| ATLA | American Theological Library Association (www.atla.com) | In English | → Associations → Libraries |
| AusBR | Australian Biblical Review | In English | → Serial publications, periodicals |
| AZI | Association Zen Internationale | In French | → Associations → Buddhism |
| BA | (The) Biblical Archaeologist | In English | → Serial publications, periodicals → Christianity → Archeology |
| BA | Biblical Archaeologist | In English | → Serial publications, periodicals → Archeology |
| BAR | Biblical Archaeology Review | In English | → Serial publications, periodicals → Archeology |
| BCV | Bergumer Christelijke Voetbalclub | In Dutch | → Organizations and associations → Christianity → Football and rugby |
| BCVS | Bornese Christelijke Sport Vereniging | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| BEL | Budhana Ligo Esperantista | In Esperanto | → Organizations and associations → Buddhism |
| BEL | Bahaa Esperanto-Ligo | In Esperanto | → Organizations and associations → 285 |
| BLE | Bulletin de Littérature Ecclésiastique | In French | → Serial publications, periodicals |
| BOR | Biserica Ortodoxă Română | In Romanian | → Christianity |
| BPV | Basler Psi Verein | In German | |
| BSG | Bibelgruppe für Studierende | In German | → Christianity |
| BTB | Biblical Theology Bulletin | In English | → Serial publications, periodicals |
| BZ | Biblische Zeitschrift | In German | → Serial publications, periodicals |
| CAB | Congregation of Alexian Brothers | In English | → Roman catholic church |
| CAIS | Centre for Arab and Islamic Studies | In English | → Islam → Language, linguistics, literature → Geography, biography, history |
| CAMAC | Caisse Mutuelle d'Assurance Maladie des Cultes | In French | → Insurance |
| CAMAVIC | Caisse Mutuelle d'Assurance Vieillesse des Cultes | In French | → Insurance |
| CARE | Centre d'Anthropologie Religieuse Européenne (http://care.ehess.fr) | In French | → Research institutes → Anthropology |
| CBETA | Chinese Buddhist Electronic Text Association | In English | → Associations → Buddhism → Literature |
| CBQ | Catholic Biblical Quarterly | In English | → Serial publications, periodicals → Roman catholic church |
| CBS | Christliche Bekenntnisschule | In English | → Christianity |
| CBZ | Christliches Begegnungszentrum | In German | → Christianity |
| CCCB | Canadian Conference of Catholic Bishops = CECC | Conférence des Évêques Catholiques du Canada | In French |
In English | → Organizations and associations → Roman catholic church |
| CCIS | Conférence Canadienne des Instituts Séculiers = CCSI | Canadian Conference of Secular Institutes | In English |
In French | → Christianity |
| CCNR | Centre de Consultation sur les Nouvelles Religions | In French | → Modern spiritual movements → Social sciences |
| CCSI | Canadian Conference of Secular Institutes = CCIS (look above) |
In English | → Christianity |
| CCV | Carmelite Sisters of Charity of Vedruna | In English | → Roman catholic church |
| CDJC | Centre de Documentation Juive Contemporaine | In French | → Judaism |
| CECC | Conférence des Évêques Catholiques du Canada = CCCB (look above) |
In French | → Organizations and associations → Roman catholic church |
| CEI | Chiesa Evangelica Italiana | In Italian | → Christianity |
| CEIFR | Centre d’Études Interdisciplinaires des Faits Religieux | In French | → Social sciences |
| CFCM | Conseil Français du Culte Musulman | In French | → Islam |
| CFH | Conference on Faith and History | In English | → Organizations and associations → History |
| CFIC | Congregation of the Sons of Immaculate Conception | In English | → Roman catholic church |
| CFTC | Confédération Française des Travailleurs Chrétiens | In French | → Organizations and associations → Labour, labour economics → Christianity |
| CGB | Christlicher Gewerkschaftsbund | In German | → Organizations and associations → Christianity → Labour, labour economics |
| CH | Church History | In English | → History → Roman catholic church |
| CHA | Catholic Health Association | In English | → Associations → Roman catholic church → Medicine |
| CHF | Congregation of The Holy Family | In English | → Roman catholic church |
| CIE | Conférence Islamique Européenne | In French | → Organizations and associations → Islam |
| CIIR | Catholic Institute for International Relations | In English | → Roman catholic church → International relations |
| CIJ | Corpus Inscriptionum Judaicarum | In Latin | → Language, linguistics, literature → Judaism |
| CIP | Center for Islamic Pluralism | In English | → Islam |
| CIPFG | Coalition d'Investigation sur la Persécution du Falun Gong en Chine | In French | → Organizations and associations → Modern spiritual movements |
| CISCOW | Centre for Interdisciplinary Research on Islam in Contemporary World | In English | → Islam |
| CISMOC | Centre pour l'étude de l'islam dans le monde contemporain | In French | → Islam |
| CJA | Christlich-Jüdische Arbeitsgemeinschaft Basel | In German | → Associations → Judaism → Christianity |
| CJP | Christlich-Jüdische Projekte | In German | → Judaism → Christianity |
| CJS | Center for Jewish Studies | In English | → Judaism → Language, linguistics, literature → Geography, biography, history |
| CJS | Centrum für Jüdische Studien | In German | → Judaism → Language, linguistics, literature |
| CJSA | China Judaic Studies Association | In English | → Associations → Judaism → Language, linguistics, literature → Geography, biography, history |
| CJV | Christelijke Jongeren Vereniging | In Dutch | → Organizations and associations → Christianity |
| CJVV | Christelijke Jongelieden Voetbal Vereniging | In Dutch | → Organizations and associations → Christianity → Football and rugby |
| CLMC | Comunità Laici Missionari Cattolici | In Italian | → Organizations and associations → Roman catholic church |
| CM | Carmelite Missionaries | In English | → Roman catholic church |
| CM | Congregation of the Mission | In English | → Roman catholic church |
| CMC | Congregation of The Mother Of Carmel | In English | → Roman catholic church |
| CMEIS | Centre of Middle Eastern and Islamic Studies | In English | → Islam → Language, linguistics, literature → Geography, biography, history |
| CMF | Claretian Missionary Fathers | In English | → Roman catholic church |
| CMI | Carmelites of Mary Immaculate | In English | → Christianity |
| CMI | Centro Misionero Iberoamericano | In Spanish | → Christianity |
| CMIS | Conférence Mondiale des Instituts Séculiers | In French | → Christianity |
| CMSF | Congregation of the Missionaries of Saint Francis Sales | In English | → Roman catholic church |
| CNPL | Centre National de Pastorale Liturgique | In French | → Music |
| CNS | Catholic News Service (www.catholicnews.com) | In English | → Newspapers, journalism → Roman catholic church |
| CNV | Christelijke Noordwijkerhoutse Voetbalclub | In Dutch | → Organizations and associations → Christianity → Football and rugby |
| COB | Church of the Brethren | In English | → Protestant churches |
| COJS | Centre of Jaina Studies | In English | → Indian religions |
| CoUCL | Contributions de l'Universite Catholique de Louvain | In French | → Serial publications, periodicals → Roman catholic church → Higher education, universities |
| COV | Christelijke Ontspannings Vereniging | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| CR | Congregation of the Rosarians | In English | → Roman catholic church |
| CRCM | Shri Ram Chandra Mission | In English | → Indian religions → Modern spiritual movements |
| CROIR | Centre de Ressources et d'Observation de l'Innovation Religieuse | In French | → Social sciences |
| CSB | Christelijke Sportclub Baflo | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| CSC | Congregation of The Sisters Of Charity | In English | → Roman catholic church |
| CSC | Confédération des Syndicats Chrétiens = ACV (look above) |
In French | → Organizations and associations → Labour, labour economics → Christianity |
| CSCA | Christelijke Sport Club Actief | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| CSCI | Centre for the Study of Contemporary Islam | In English | → Research institutes → Islam |
| CSEL | Corpus of the Latin Church Fathers = CSEL | Corpus Scriptorum Ecclesiasticorum Latinorum | In Latin = CSEL | Corpus der lateinischen Kirchenväter | In German |
In English | → Libraries → Roman catholic church |
| CSEL | Corpus der lateinischen Kirchenväter = (look above) |
In German | → Libraries → Roman catholic church |
| CSEL | Corpus Scriptorum Ecclesiasticorum Latinorum = (look above) |
In Latin | → Libraries → Roman catholic church |
| CSIC | Centre for the Study of Islam and Christian-Muslim Relations | In English | → Christianity → Islam |
| CSID | Center for the Study of Islam and Democracy | In English | → Islam → Democracy |
| CSN | Congregation of The Sisters Of Nazareth | In English | → Roman catholic church |
| CSRI | Conference on the Study of Religions of India | In English | → Organizations and associations → Indian religions |
| CSV | Christelijke Sport Vereniging | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| CSVC | Christelijke Sport Vereniging Coevorden | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| CSVD | Christelijke Sportclub Vitesse Delft | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| CSVH | Christelijke Sport Vereniging Hoogkerk | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| CSWR | Center for the Study of World Religions | In English | |
| CUED | Cambridge University Engineering Department (www.eng.cam.ac.uk) | In English | → 278 → Engineering, technology |
| CVBVB | Christelijke Voetbal Vereniging Bedum | In Dutch | → Organizations and associations → Christianity → Football and rugby |
| CVM | Christian Veterinary Mission (www.cvmusa.org) | In English | → Organizations and associations → Christianity → Veterinary medicine |
| CVSB | Christelijke Voetbalvereniging Scheemder Boys | In Dutch | → Organizations and associations → Christianity → Football and rugby |
| CVVA | Christelijke Voetbal Vereniging Arnhem | In Dutch | → Organizations and associations → Christianity → Football and rugby |
| CVVO | Christelijke Vereniging Voor Ontspanning | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| CVW | Christelijke Voetbalclub Winschoten | In Dutch | → Organizations and associations → Christianity → Football and rugby |
| CWL | Catholic Women's League of Canada (www.cwl.ab.ca) | In English | → Organizations and associations → Roman catholic church |
| DBLA | Don Bosco Lay Association | In English | → Associations → Roman catholic church |
| DBU | Deutsche Buddhistische Union | In German | → Organizations and associations → Buddhism |
| DC | Disciples of Christ | In English | → Roman catholic church |
| DCPB | Daughters of Charity of the Most Precious Blood | In English | → Roman catholic church |
| DCTB | Deutscher Christlicher Techniker-Bund | In German | → Organizations and associations → Christianity → Labour, labour economics |
| DDP | Daughters of Divine Providence | In English | → Roman catholic church |
| DGK | Diakonie-Gesundheitszentrum Kassel | In German | → Medicine |
| DML | Daughters of Saint Mary of Leuca | In English | → Roman catholic church |
| DP | Society of Devapriya Sisters | In English | → Roman catholic church |
| DPM | Daughters of Presentation of Mary in the Temple | In English | → Roman catholic church |
| DSC | Daughters of Saint Camillus | In English | → Roman catholic church |
| DSFS | Daughters of Saint Francis de Sales | In English | → Roman catholic church |
| DSHJ | Daughters of Sacred Heart of Jesus | In English | → Roman catholic church |
| DSHJ | Daughters of the Sacred Heart of Jesus | In English | → Roman catholic church |
| DSJ | Daughters of Saint Joseph | In English | → Roman catholic church |
| DST | Daughters of Saint Thomas | In English | → Roman catholic church |
| EAJS | European Association for Jewish Studies | In English | → Associations → Judaism |
| ÉAPP | Équipe d’Animation Pastorale des Paroisses | In French | → Christianity |
| EBMP | Early Buddhist Manuscripts Project | In English | → Libraries → Buddhism |
| EBTI | Electronic Buddhist Texts Initiative | In English | → Libraries → Buddhism |
| ECarm | Études Carmélitaines | In French | → Serial publications, periodicals |
| ECSR | Enabling Christians in Serving Refugees | In English | → Christianity → Migrations |
| EIASIME | Edinburgh Institute for the Advanced Study of Islam and the Middle East | In English | → Islam → Area studies |
| EISAWI | Edinburgh Institute for the Study of the Arab World and Islam | In English | → Islam → Area studies |
| EJVS | Electronic Journal of Vedic Studies | In English | → Serial publications, periodicals → Indian religions → Literature |
| EO | Evangelische Omroep | In Dutch | → Christianity |
| EURD | Église Universelle du Royaume de Dieu = IURD | Iglesia Universal del Reino de Dios | In Spanish = IURD | Igreja Universal do Reino de Deus | In Portuguese = UCKG | Universal Church of the Kingdom of God | In English |
In French | → Christianity → Modern spiritual movements |
| EVP | Evangelische Volkspartei (www.evppev.ch) = PEV | Parti Évangélique | In French |
In German | → International relations → Christianity |
| EWIC | Encyclopedia of Women and Islamic Cultures | In English | → Encyclopaedias, reference works → Feminism → Islam → Civilization, culture, progress |
| FBU | Fraternité Blanche Universelle | In French | → Modern spiritual movements |
| FCC | Franciscan Clarist Congregation | In English | → Roman catholic church |
| FDSHJ | Fervent Daughters of the Saint Heart of Jesus | In English | → Roman catholic church |
| FEO | Federatie Evangelische Zorg-Organisaties (www.feozorg.nl) | In Dutch | → Organizations and associations → Protestant churches → Social aid |
| FEREDE | Federación de Entidades Religiosas Evangélicas de España | In Spanish | → Organizations and associations → Christianity |
| FFRC | Fédération Française des Radios Chrétiennes | In French | → Organizations and associations → Telecommunications → Christianity |
| FHGS | Franciscan Handmaids of the Good Shepherd | In English | → Roman catholic church |
| FIA | Front islamique arabe de l’Azawad | In French | → Political parties and movements → Islam |
| FJCT | Federatie Christelijk Jeugdwurk Tytsjerksteradiel | In Dutch | → Organizations and associations → Christianity |
| FMC | Franciscan Missionaries of Saint Clare | In English | → Roman catholic church |
| FMM | Franciscan Missionaries of Mary | In English | → Roman catholic church |
| FRTC | Fédération des Radios et Télévisions Chrétiennes | In French | → Organizations and associations → Telecommunications → Christianity |
| FSAS | Franciscan Sisters of All Saints | In English | → Roman catholic church |
| FSHA | Franciscan Sisters of Holy Annunciation | In English | → Roman catholic church |
| FSMA | Franciscan Sisters of Mary of Angels | In English | → Roman catholic church |
| FSSE | Franciscan Sisters of Saint Elizabeth | In English | → Roman catholic church |
| FSSH | Franciscan Sisters of Sacred Heart | In English | → Roman catholic church |
| FSSJ | Franciscan Sisters of Saint Joseph | In English | → Roman catholic church |
| FWBO | Friends of the Western Buddhist Order | In English | → Buddhism → Modern spiritual movements |
| FZPhTh | Freiburger Zeitschrift für Philosophie und Theologie | In German | → Serial publications, periodicals → Philosophy, psychology |
| GCSV | Groningse Christelijke Sport Vereniging | In Dutch | → Organizations and associations → Christianity → Sport, physical exercises |
| GIA | Groupe Islamique Armé | In French | → Islam → Political parties and movements |
| GIRM | General Instruction of the Roman Missal | In English | → Roman catholic church |
| GSPC | Groupe Salafiste pour la Prédication et le Combat | In French | → Islam → Political parties and movements |
|