| CGN | Cologne / Bonn Köln, Deutschland [Internationaler Airport-Code] |
| CO | Conference |
| ENC | Experimental NMR Conference |
| IGC | Intergovernmental Conference |
| JCC | Jewish Claims Conference |
| NFC | National Football Conference |
| FCC | Federal Computer Conference |
| GCC | Generic Conference Control |
| GRC | Gordon Research Conference |
| ICC | International Conference on Communications |
| NEC | National Electric Conference |
| ICH | International Conference on Harmonisation |
| INET | International Networking Conference |
| NCC | National Computer Conference |
| NTC | National Telecommunications Conference |
| DAC | Design Automation Conference |
| TREC | Text Retrieval Conference |
| CCL | Closed Conference Loop |
| POSI | Promotion Conference for OSI, Japan |
| c.t. | conference terms [engl.] |
| CER | Conférence Européenne de Radiodiffusion [frz.] Verband der europäischen Rundfunksender |
| ICDE | International Conference on Data Engineering |
| IDRC | International Diffuse Reflectance Conference |
| ECAC | European Civil Aviation Conference Europäische Zivilluftfahrtkonferenz |
| C.E.M.T. | Conférence Européenne des Ministrès des Transport [frz.] Europäische Verkehrsministerkonferenz |
| SJCC | Spring Joint Computer Conference |
| ILAC | International Laboratory Accreditation Conference |
| WARC | World Administrative Radio Conference Internationale Konferenz zur Zuweisung von Frequenzbereichen und Frequenzpositionen |
| ICCE | International Conference on Consumer Electronics |
| ICCC | International Conference on Computer Communications |
| ECAI | European Conference on Artificial Intelligence Alessandria, Italien, http://www.dsic.upv.es/ecai2004 |
| ECML | European Conference on Machine Learning |
| ELEC | Embedded Linux Expo + Conference |
| CGPM | Conférence Générale des Poids et Mesures [frz.] Generalkonferenz für Maß und Gewicht |
| ICCC | International Conference on Coordination Chemistry |
| NECC | National Education Computing Conference |
| UNCED | United Nations Conference on Environment and Development Konferenz der Vereinten Nationen über Umwelt und Entwicklung |
| WELAC | Western European Laboratory Accreditation Conference |
| UNCTAD | United Nations Conference on Trade and Development Konferenz der Vereinten Nationen für Handel und Entwicklung |
| WATTC | World Administrative Telegraph and Telephone Conference |
| ISSCC | International Solid State Circuits Conference Toronto, http://www.isscc.org |
| ASTC | Advanced Storage Technical Conference [engl.] Firmenkonsortium für MO-Komponenten |
| BSPC | Baltic Sea Parliamentary Conference [Ostseeparlamentarier-Konferenz] |
| CEPT | Conférence Européen des Administrations des Postes et Telecommunications [frz.] Europäische Konferenz der Verwaltungen für Post- und Fernmeldewesen |
| COMPSAC | International Computer Software and Applications Conference |
| ECOOP | European Conference on Object Oriented Programming |
| CODASYL | Committee/Conference on Data System Languages |
| ICCHP | International Conference on Computers for Handicapped Persons |
| IJCAI | International Joint Conference on Artificial Intelligence Kalifornien, http://ijcai.org |
| CEMAT | Conférence Européenne des Ministres responsables de l'Aménagement du Territoire [frz.] Europäische Konferenz der Minister für Raumordnung |