EES may refer to:
- Embedded Entertainment System, the first video game system developed in Central America.
- Engineering Equation Solver, a thermodynamic heat-based software for solving technical engineering problems
- Electric Eel Shock, a Japanese rock band
- Egypt Exploration Society, an archeological society
- Energy and Environmental Science, a peer-reviewed scientific journal
- Enron Energy Services, a division of Enron Corporation
- E.E.S., an Australian Hip-Hop group
- Engineering Education Scheme, a scheme in the UK for young engineers
- European Employment Strategy, the employment branch of the Open Method of Coordination
- Erythromycin Ethylsuccinate, an antibiotic drug
- Ees, Drenthe, a village in the Netherlands
- Ees (place name), an archaic term for water meadows or firm land adjacent to streams or fens
- EES (rapper), Namibian musician Eric Sell