IDDP
| Acronym | Definition |
|---|---|
| IDDP | Iceland Deep Drilling Project |
| IDDP | International Day of Disabled Persons |
| IDDP | Iglesia de Dios Pentecostal (Spanish: Pentecostal Church of God; various locations) |
| IDDP | Identify, Differentiate, Determine, Predict (critical thinking model) |
| IDDP | Insulin-Dependent Diabetic Pregnancy (obstetrics and endocrinology) |
| IDDP | International Dual Degree Program (various universities) |
| IDDP | International Design and Decorating Professional |
| IDDP | Interface Design Definition Paper |