CESR may refer to:
*
Center for Economic and Social Rights, an international human rights organization
*
Centre d'Etude Spatiale des Rayonnements, now the Institut de Recherche en Astrophysique et Planétologie (IRAP), in France
*
Committee of European Securities Regulators
The Committee of European Securities Regulators (CESR) was an independent committee of European Securities commission, Securities regulators, in place from 2001 to 2010. On , it was replaced by the European Securities and Markets Authority (ESMA).
...
, replaced since 2011 by the European Securities and Markets Authority (ESMA)
*
Cornell Electron Storage Ring, a particle accelerator operated by Cornell University, in Ithaca (state of New York)
*
Carrier Ethernet Switches and Routers, a marketing term
{{disambig