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, simple radio tags 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