EAS
- 5-epiaristolochene synthase
- EAS (album)
- EAS (nutrition brand)
- EAS Airlines
- EAS Europe Airlines
- EAS3
- Early Admissions Scheme (Hong Kong)
- Early American Studies
- East Asia Summit
- East Asian studies
- East Side Access
- Eastern Analytical Symposium
- Electric acoustic stimulation
- Electronic Air Suspension
- Electronic article surveillance
- Electrophilic aromatic substitution
- Emergency Alert System
- Employment Agency Standards Inspectorate
- Encyclopedia of American Studies
- End of Active Service
- Enterprise Estonia
- Enterprise application software
- Equivalent airspeed
- Escola Alegria de Saber
- Essential Air Service
- European Academy of Sociology
- European Astronomical Society
- European External Action Service
- Exchange ActiveSync
- Extended area service
- Extensive air shower
- External anal sphincter
- Hellenic Defence Systems
- San Sebastián Airport
- United States
- École des Arts du Sénégal