EAS may refer to:

Academics

  • East Asian studies, an academic field
  • Early American Studies, an academic journal
  • Early Admissions Scheme (Hong Kong), a defunct university entrance program
  • Escola Alegria de Saber, a network of Brazilian international schools in Japan
  • École des Arts du Sénégal, in Dakar, Senegal

Aeronautics

  • EAS Europe Airlines, a defunct French airline
  • EAS Airlines, a defunct Nigerian airline
  • Equivalent airspeed
  • Essential Air Service, a U.S. government program
  • San Sebastián Airport, in Spain

Government

  • East Asia Summit, a regional diplomatic forum
  • Emergency Alert System, United States' national warning system
  • European External Action Service, the diplomatic service and foreign and defence ministry of the European Union
  • Enterprise Estonia, abbreviated EAS in Estonian, Estonian national foundation that aims to develop Estonian economy
  • Employment Agency Standards Inspectorate, United Kingdom

Science

  • 5-epiaristolochene synthase, an enzyme
  • Eastern Analytical Symposium, an American analytical chemistry organization
  • Electric acoustic stimulation
  • Electrophilic aromatic substitution, an organic reaction
  • European Astronomical Society
  • Extensive air shower, a cosmic ray shower
  • Extended area service, in telecommunications
  • External anal sphincter

Technology

  • EAS3, a software toolkit for storing and processing binary data
  • Electronic Air Suspension, a type of vehicle suspension
  • Electronic article surveillance, used to prevent shoplifting
  • Emergency Alert System, an emergency warning system in the United States
  • Enterprise application software
  • Exchange ActiveSync, a data synchronization protocol

Other uses

  • EAS (album), a 2000 album by Japanese rock band Fanatic Crisis
  • EAS (nutrition brand), an American sports nutrition company
  • Encyclopedia of American Studies
  • End of Active Service, in the military
  • European Academy of Sociology, a fellowship of sociologists
  • East Side Access, a public works project in New York City
  • Hellenic Defence Systems (EAS), formed by the merger in 2004 of the Greek defence companies EBO and Pyrkal