Cer, or CER may refer to:
Science and technology Control event rate, a statistical value in epidemiology Crossover error rate, a statistical value in a biometric system Comparative effectiveness research, comparison of health care intervention effectiveness Conditioned emotional response, a specific learned behavior or procedure
Computing Canonical Encoding Rules, an encoding format Customer edge router, in computer networking CER Computer (Serbian Latin: Cifarski Elektronski Računar, "Digital Electronic Computer"), series of early computers
Places Cer (mountain), a mountain in Serbia Cer, Zvornik, a village in the municipality of Zvornik, Republika Srpska, Bosnia and Herzegovina Cer, Kičevo, a village in the municipality of Kičevo, North Macedonia Cherbourg – Maupertus Airport or Aéroport de Cherbourg - Maupertus (IATA airport code), an airport in France Chinese Eastern Railway (Chinese: 中東鐵路/中东铁路, also known as the Chinese Far East Railway), a railway in northeastern China
Organizations Conference of European Rabbis, rabbinical alliance in Europe Commission for Energy Regulation, a Republic of Ireland energy regulator Community of European Railway and Infrastructure Companies, railway system
Other uses
Certified emission reduction, emission units Classic Endurance Racing, a sports car racing series founded in 2004 by Peter Auto Ltd. Closer Economic Relations, a free trade agreement between Australia and New Zealand Comparative Education Review, publication of the Comparative and International Education Society Currency exchange rate, rate at which one currency will be exchanged for another currency Keres, Greek goddess of violent death, one of the Greek primordial deities