Eia or EIA may refer to:

Medicine

* Enzyme immunoassay * Equine infectious anemia * Exercise-induced anaphylaxis * Exercise-induced asthma * External iliac artery

Transport

* Edmonton International Airport, in Alberta, Canada * Erbil International Airport, in Kurdistan Region, Iraq * Evergreen International Airlines, an American airline

Other uses

* Eia, a former Medieval manor that is now part of Central London * Electronic Industries Alliance, formerly Electronic Industries Association, an American trade organization ** EIA standards * Emerging issues analysis * Emirates Investment Authority * Energy Information Administration of the United States Department of Energy * Environmental impact assessment * Environmental Investigation Agency, a British environmental organisation * Equity-indexed annuity * European Inventor Award, awarded annually by the European Patent Office * International Anticommunist Entente (French: ')

People with the surname

* Harald Eia (born 1966), Norwegian comedian * Magnhild Eia (born 1960), Norwegian politician {{Disambiguation, surname