| Acronym | Definition |
|---|
| DEI➣Dale Earnhardt, Inc. (racing team) |
| DEI➣Divide et Impera (Latin maxim; game) |
| DEI➣Directed Electronics Inc. |
| DEI➣Dutch East India |
| DEI➣Diversity, Equity, and Inclusion |
| DEI➣Departamento de Engenharia Informática (Portuguese: Department of Computer Science; various universities) |
| DEI➣Directorate for European Integration (Bosnia and Herzegovnia) |
| DEI➣Declaration of Energy Independence (slogan) |
| DEI➣Department of Electronics and Information (various locations) |
| DEI➣Dennis East International (home decor) |
| DEI➣Developing Emotional Intelligence |
| DEI➣Drop Eligible Indicator (computer networking) |
| DEI➣Défense des Enfants International (French) |
| DEI➣Distance Education Institution (various locations) |
| DEI➣Diffraction Enhanced Imaging |
| DEI➣Desired Ending Inventory (accounting) |
| DEI➣Devon and Exeter Institution (est. 1813; UK) |
| DEI➣Distance Education Initiative (University of Edinburgh; UK) |
| DEI➣Dayalbagh Educational Institute (India) |
| DEI➣Dalbey Education Institute (Westminster, CO) |
| DEI➣Data Exchange Interface |
| DEI➣Dabney Eats It |
| DEI➣Device Engineering Inc. |
| DEI➣Digestible Energy Intake |
| DEI➣Direct Exhaust Injection |
| DEI➣Dynamic Effect Intake (Mazda) |
| DEI➣Detroit Entrepreneurship Institute, Inc. |
| DEI➣Dose Equivalent Iodine |
| DEI➣Direction de l'Environnement et de l'Intervention (French: Directorate of Environment and Response; Institut de Radioprotection et de Sûreté Nucléaire) |
| DEI➣Dielectric and Electrical Insulation |
| DEI➣Dartnell Enterprises, Inc. |
| DEI➣Development Engineering Inspection |
| DEI➣Diesel Engine Inspection |
| DEI➣Dimosia Epichirisi Ilektrismou (Greek: Public Power Company) |
| DEI➣Data Entry Instructions |
| DEI➣Development Exchange, Incorporated |
| DEI➣Data Extraction Interface |
| DEI➣Departmento Ecuménico de Investigaciones (Ecumenical Research Department; San Jose, Costa Rica) |
| DEI➣Dearmond Enterprises, Inc. |
| DEI➣Design Engine Inspection |
| DEI➣De Armond Enterprises, Inc. |
| DEI➣Dynamic Electronic Institution |
| DEI➣DoD (Department of Defense) Enterprise Initiative (US DoD) |
| DEI➣Detection Equivalent Irradiance |
| DEI➣Doofenshmirtz Evil, Inc. (Phineas and Ferb; TV show) |