EEA or Eea may refer to:
Organisations
- European Economic Area
- European Environment Agency
- EEA Helicopter Operations, a Dutch subsidiary of CHC Helicopter
Economics
- Environmental-economic accounting
- Exchange Equalisation Account, the British Treasury's reserve fund
Science and technology
- Electron affinity (Eea), the energy required to detach an electron from a singly charged negative ion
- Equal environments assumption, an assumption underlying the methodology of the twin study
- Ethylene-ethyl acid, used in hot-melt adhesive
- Extended Euclidean algorithm
Other uses
- River Eea, in Cumbria, England
- Eëa, an island in Greek mythology
- Environment of evolutionary adaptedness, in evolutionary psychology
- Economic Espionage Act of 1996