CREG is an acronym that can represent:
Centres de recherche en gestion, a management research center based at Pau's University, France China Railway Engineering Equipment Group, a subsidiary of China Railway Group Limited China Recycling Energy Corporation (Nasdaq: CREG) Chongqing Road Engineering Group Electricity and Gas Regulation Commission, an Algerian public service organisation , a Belgian public service organisation
See also CREG1 (Cellular Repressor of E1A-stimulated Genes 1) Craig (disambiguation)