CEI
CEI stands for:
- Caisse d'Epargne , a Spanish professional road cycling team
- Central European Initiative , German Central European Initiative (ZEI)
- Charter Encoding Initiative , document format for the labeling of documents from the Middle Ages and the early modern period
- Conféderation Européenne de l'Immobilier , European Real Estate Association
- Conferenza Episcopale Italiana , the Italian Bishops' Conference
- Commission Électorale Indépendante de Côte d'Ivoire , the Independent Electoral Commission (Ivory Coast)
- Commission électrotechnique internationale , French-language name of the International Electrotechnical Commission .
- Competitive Enterprise Institute , American conservative-libertarian think tank
- Chiang Rai Airport in Northern Thailand (IATA code)
Cei is the family name of
- Giuseppe Cei (1889–1911), Italian aviation pioneer
- José Miguel Cei (1918–2007), Argentine herpetologist of Italian descent
- Pina Cei (1904-2000), Italian actress
