EPI

EPI or Epi may refer to:

Mathematics

 * Epigraph (mathematics)
 * Epimorphism
 * Entropy power inequality, a result that relates to so-called "entropy power" of random variables
 * Extreme physical information, a principle in information theory

Medicine and health

 * Echo-planar imaging
 * Epidemiology
 * Epinephrine, a neurotransmitter
 * Epinephrine (medication)
 * Epi-pen
 * Exocrine pancreatic insufficiency, the inability to properly digest food due to a lack of digestive enzymes made by the pancreas
 * Expanded Program on Immunization, a World Health Organization program

Biology

 * Epidendrum, an orchid genus
 * Epiphyllum hybrid, a cactus hybrid

Technology

 * Episerver, a global e-commerce company
 * Epitaxy, a semiconductor fabrication technique
 * European Processor Initiative, a European project to build new low-power processors

Other sciences

 * Eletrophotonic imaging, an imaging technique
 * Epimer, one of a pair of diastereomers

Places

 * Epi (island), in Vanuatu
 * Portuguese India, also known as the Portuguese State of India (Portuguese: Estado Português da Índia)

People

 * Enkhjargal Dandarvaanchig (born 1968), Mongolian musician
 * Epi Taione (born 1979), Tongan rugby union footballer
 * Juan Antonio San Epifanio (born 1959), Spanish basketball player

Organisations

 * Ecology Project International, an American environmental organization
 * Economic Policy Institute, an American economic think tank
 * Education Policy Institute, a British education think tank
 * European Patent Institute, the professional association of European patent attorneys
 * European Payments Initiative, a pan-European payment system

Language

 * EF English Proficiency Index, a ranking of countries by their English skills
 * Epi languages, a family of languages spoken on Epi island

Other uses

 * Environmental Performance Index, quantifier of the environmental effect of a state's policies
 * Ends per inch, the number of warp threads per inch of woven fabric
 * Ethical positioning index, an index which measures how ethically a brand is positioned
 * Exploding Plastic Inevitable, a series of multimedia events by Andy Warhol