Cedex

Cedex or CEDEX may refer to:


 * Centro de Estudios y Experimentación de Obras Públicas, a civil engineering research agency in Spain
 * Courrier d'Entreprise à Distribution EXceptionnelle, a system designed for recipients of large volumes of mail in France
 * Container Equipment Data Exchange, also known as ISO 9897
 * The Centre for Decision Research and Experimental Economics at the University of Nottingham