CEU may refer to:
- Continuing education units in the United States
- Central European University in Budapest, Hungary
- College of Eastern Utah
- Centro Escolar University in the Philippines
- Centro de Estudios Universitarios in Spain
- Céu, a Brazilian indie singer-songwriter
- Choquet expected utility as a theory of choice under ambiguity
- The Constructional Engineering Union, a defunct British Trade Union now part of the Amalgamated Engineering and Electrical Union.
- Cost Equivalent Unit as a means to measure container volumes based on monetary value.