| Acronym | Definition |
|---|
| EMI | Electromagnetic Interference |
| EMI | European Monetary Institute |
| EMI | Electromagnetic Induction |
| EMI | Emergency Management Issues |
| EMI | Ecole Mohammadia d'Ingénieurs (Morocco) |
| EMI | Emirates Media Inc. (Abu Dhabi, UAE) |
| EMI | Equated Monthly Installment |
| EMI | External Memory Interface |
| EMI | Electromagnetic Immunity |
| EMI | Escape from Monkey Island (LucasArts computer game) |
| EMI | Emerging Markets Index (HSBC) |
| EMI | Elderly Mentally Infirm (UK) |
| EMI | Earthquakes and Megacities Initiative |
| EMI | Equipment Manufacturers Institute |
| EMI | Equal Monthly Installments (finance/business) |
| EMI | Elderly Mentally Ill |
| EMI | External Machine Interface (SMS - Protocol) |
| EMI | Exchange Message Interface (Bellcore) |
| EMI | Extra Military Instruction |
| EMI | English as the Medium of Instruction (Hong Kong) |
| EMI | Electronic Money Institution |
| EMI | Ecosystem Management Initiative |
| EMI | Educable Mentally Impaired |
| EMI | Entraide Médicale Internationale |
| EMI | Essex Music, Inc. |
| EMI | Electrical and Music Industries (EMI record company) |
| EMI | Enterprise Mentors International (Draper, UT) |
| EMI | Encore Marketing International (Lanham, MD) |
| EMI | Electronic Message Interface |
| EMI | Énergie Minimale d'Inflammation (French: Minimum Ignition Energy) |
| EMI | Electro Magnetic Influence |
| EMI | Extramarital Intercourse (medical records) |
| EMI | External Muon Identifier |
| EMI | Emergency Managment Institute |
| EMI | Electrical-Mechanical Inspection |
| EMI | Extrinsic Mutual Information |
| EMI | Enterprise Management Implementation |
| EMI | Equateur Météorologique Incliné |
| EMI | Engineering Mechanics Institute (American Society of Civil Engineers) |
| EMI | Enter Missing Involuntary (child disappearance; NCIC form datum) |
| EMI | European Movement International (lobbying group) |
| EMI | Employment Market Information (India) |
| EMI | Ecosystem Management Incorporation |
| EMI | Educational Media International (journal; Taylor & Francis) |
| EMI | Eagle Materials, Inc. (Dallas, TX) |
| EMI | Experimental Musical Instruments (magazine) |
| EMI | Extended Market Index (finance) |