CEEC
CEEC is an abbreviation for:
- Central and Eastern European Countries , is currently used by Eurostat for countries in the CEE region that are seeking membership in the European Union
- Codices Electronici Ecclesiae Coloniensis , an internet project that offers digitized manuscripts from the Middle Ages to the public
- Committee of European Economic Co-operation , a European conference that worked to restore the European economy after World War II in 1947, predecessor of the OECD
- Clúster d'Eficiència Energètica de Catalunya , is a non-profit business association in the field of energy technology and research in Catalonia