CEPA may refer to:
- Onion, a vegetable also known as A. cepa or Allium cepa of the genus Allium
- Economic Partnership Agreement between the CARIFORUM states and the EU, concluded on 30 October 2008
- Comprehensive economic partnership agreement (disambiguation), a free trade agreement between two countries, see that page for examples
- Comprehensive and Enhanced Partnership Agreement between the European Union and Armenia
- Canadian Environmental Protection Act, 1999
- Center for Economic Policy Analysis at New School University, New York City
- Center for Education Policy Analysis
- Center for European Policy Analysis
- Closer Economic Partnership Arrangement (disambiguation), between the Central Government of the People's Republic of China and its Special administrative regions (Hong Kong, Macau)
- Common Educational Proficiency Assessment
- Centro Ponceño de Autismo, an autism center in Ponce, Puerto Rico