| IDPI | Indigenous Design and Planning Institute 
| Others |
| IDPI | Industrial Development Policy Initiative
| Others |
| IDPI | Inhaled dry powder insulin
| Others |
| IDPI | Inhaled, Dry Powder Insulin
| Others |
| IDPI | Institut De Droit Patrimonial Et Immobilier
| Others |
| IDPI | Instituto para el Desarrollo de Programas Interuniversitarios
| Others |
| IDPI | Instructional Design and Performance Improvement
| Others |
| IDPI | Interfaith Drug Policy Initiative
| Others |
| IDPI | International Drug Price Indicator
| Others |