| IAPD | Illinois Association of Park Districts 
| Others |
| IAPD | Implementation Advance Planning Document
| Others |
| IAPD | Interactive Analysis of Paleomagnetic Data
| Others |
| IAPD | Interior Architecture and Product Design
| Others |
| IAPD | Interior Architecture Product Design
| Others |
| IAPD | International Academy for Professional Driving
| Others |
| IAPD | International Association of Paediatric Dentistry
| Others |
| IAPD | International Association of Plastics Distribution
| Others |
| IAPD | International Association of Professional Debt
| Others |
| IAPD | Interreligious Association for Peace and Development
| Others |
| IAPD | Investment Adviser Public Disclosure
| Others |