| Acronym | Definition |
|---|
| VDDI➣Virtual Drug Development, Inc. (Internet-based pharmaceuticals) |
| VDDI➣Victorian Dual Diagnosis Initiative (Australia; est. 2002) |
| VDDI➣Vitamin D Deficiency/Insufficiency |
| VDDI➣Ventricule Droit Double Issue (French: Right Ventricle Double Issue; cardiology) |
| VDDI➣Value-Driven Design Institute (Urbana, IL) |
| VDDI➣Verband der Deutschen Dental-Industrie eV (Germany) |