Words by letter C
- COSAC
- COST
- Costa vs Enel
- Cotonou Agreement
- Coudenhove-Kalergi, Count Richard (1894 - 1972)
- Coughlan, Anthony (1936 - )
- Council of Europe
- Council of Ministers - the Council
- Court of Auditors
- Court of First Instance
- Court of Justice/EU Court
- Cox, Pat (1952 - )
- Craxi, Bettino (1934 - 2000)
- Croatia
- Crocodile club