| IMPP | Immune Myopathies with Perimysial Pathology 
| Others |
| IMPP | Instant Messaging and Presence Protocol
| Others |
| IMPP | Insured Mortgage Purchase Program
| Others |
| IMPP | Integrated Missions Planning Process
| Others |
| IMPP | Inteligent Mauritius Partnership Program
| Others |
| IMPP | Interior Maintenance Plant Program
| Others |
| IMPP | International Manual of Planning Practice
| Others |
| IMPP | International Max Planck Partnership
| Others |
| IMPP | International Midwifery Pre-registration Program
| Others |
| IMPP | Interstate Maintenance Preservation Program
| Others |