| MPPI | Maine Public Policy Institute 
| Others |
| MPPI | Manitoba Professional Planners Institute
| Others |
| MPPI | Manufactured Products Price Index
| Others |
| MPPI | Martin Pollak Project Inc
| Others |
| MPPI | Maryland Public Policy Institute
| Others |
| MPPI | McNair Promising Practices Institute
| Others |
| MPPI | merging party product is
| Others |
| MPPI | Michigan Public Policy Initiative
| Others |
| MPPI | Minimum Prevention Package Intervention
| Others |
| MPPI | Ministarstvo pomorstva prometa i infrastrukture
| Others |
| MPPI | Mobile Phone Partnership Initiative
| Others |
| MPPI | Model Predictive Path Integral
| Others |
| MPPI | Molecular Plant Pathogen Interactions
| Others |
| MPPI | Montessori Public Policy Initiative
| Others |
| MPPI | Mortgage Payment Protection Income
| Others |
| MPPI | Mortgage Payment Protection Industry
| Others |
| MPPI | Mortgage Payment Protection Insurance
| Others |
| MPPI | Mortgage Payments Protection Insurance
| Others |
| MPPI | Multidimensional Personality Performance Inventory
| Others |