Comm - Conc
- Commercial Policy
- Commission
- Committee for a People's Europe
- Committee for the Creation of European Monetary Union
- Committee of Agricultural Organizations in the European Economic Community
- Committee of Permanent Representatives
- Committee of the Governors of the Central Banks
- Committee of the Regions
- Committee of Three Wise Men
- Committee on Institutions
- Common Agricultural Policy
- Common Carrier Legislation
- Common Commercial Policy
- Common External Tariff
- Common Fisheries Policy
- Common Foreign and Security Policy
- Common Market
- Communists and Allies
- Communitatis Europae Lex
- Community Action Programme on the Vocational Training of Young People and their Preparation for Adult and Working Life
- Community Bureau of Reference
- Community Committee for the Coordination of Fraud Prevention
- Community Energy Demonstration Programme
- Community Method