EAI

EAI may refer to:


 * East Asia Institute
 * East Asia Institute (Korea)
 * East Asia Institute (Ludwigshafen)
 * Weatherhead East Asian Institute
 * Electro-Acoustic improvisation
 * Electronic Arts Intermix, an American art organization
 * Electronic Associates, Inc., an American analog computer manufacturer
 * Element AI, a former Canadian artificial intelligence company
 * Email address internationalization
 * Engineering Animation, Inc., a defunct American visualization software company
 * Enterprise application integration, the use of software and computer systems' architectural principles to integrate a set of enterprise computer applications
 * Erythema ab igne
 * Excalibur Almaz, a Manx private spaceflight company