| Acronym | Definition |
|---|
| DII | Dynamic Invocation Interface (CORBA client-side API) |
| DII | Defense Information Infrastructure |
| DII | Direct Intelligent Interface |
| DII | Dynamic Invocation Interface |
| DII | Diablo 2 (role-playing game) |
| DII | Defence Information Infrastructure |
| DII | 1,1'-Dioctadecyl 3,3,3',3'-Tetramethylindocarbocyanine Perchlorate (fluorescent carbocyanide dye) |
| DII | Development Institute International (French: International Development Institute) |
| DII | Defense Industry Initiative |
| DII | Département d'Informatique et d'Ingénierie (French: Department of Computer Science and Engineering; Canada) |
| DII | Dynamic Industries, Inc. (Lafayette, LA) |
| DII | Decorator Industries Inc. (Pembroke Pines, FL) |
| DII | Diagnostic Imaging, Inc. (Philadelphia, PA) |
| DII | Digital Infrared Imaging |
| DII | Domaine Immobilier et Infrastructures (French: Real Estate and Infrastructure; Switzerland) |
| DII | Dairy Industries International (UK) |
| DII | Doosan Infracore International, Inc. (South Korea) |
| DII | Développement Informatique et Immobilier (French: Software Development and Real Estate) |
| DII | Document Interoperability Initiative (Microsoft) |
| DII | Duchossois Industries, Inc. (Elmhurst, IL) |
| DII | Disability Income Insurance |
| DII | Days in Inventory |
| DII | Doshin Information Institute (Hokkaido, Japan) |
| DII | Domestic Institutional Investor |
| DII | Download Information Indication |
| DII | Diode Ion Injector |
| DII | Defense Industry Insider |