| Abbreviation | Definition |
|---|---|
| DIEM | Danish Institute of Electroacoustic Music |
| DIEM | Danish Institute of Electronic Music |
| DIEP | Dutch Institute for Emergent Phenomena |
| DIETCET | district Institutes of Educational Training Common Entrance Test |
| DIFE | Delhi Institute Of Fire Engineering |
| DIFE | Drogheda Institute of Further Education |
| DIFI | Department of Insurance and Financial Institutions |
| DIFI | Doha International Family Institute |
| DIFS | Dallas Institute of Funeral Service |
| DIFS | Dham Institution For Savings |
| DIFT | Delhi Institute for Future Teachers |
| DIHAR | Defence Institute of High Altitude Research |
| DIHC | Dallas Institute of Humanities and Culture |
| DIHD | Durant Institute of Hair Design |
| DIHE | Dadabhoy Institute of Higher Education |
| DIHI | Duke Institute for Health Innovation |
| DIIB | Dalian Institute of International Business (China) |
| DIID | Designer Institute of Interior Design |
| DIILS | Defence Institute of International Legal Studies |
| DIILS | Defense Institute for International Legal Studies |