| Acronym | Definition |
|---|
| MSIP | Missouri School Improvement Plan (Department of Elementary and Secondary Education) |
| MSIP | Multinational Staged Improvement Program |
| MSIP | Missile and Space Intelligence Center |
| MSIP | Musculoskeletal Injury Prevention |
| MSIP | Montana Shakespeare in the Parks (Bozeman, Montana) |
| MSIP | Modular Sonic Imaging Platform (sonic scanner) |
| MSIP | Mechanical Stress Improvement Process |
| MSIP | Multi-Subject Instructional Period (education) |
| MSIP | Multi-Staged Improvement Program |
| MSIP | Modeling and Simulation Investment Plan |
| MSIP | Multi-Spectral Image Processor |
| MSIP | Multi-Service Intranet Platform |
| MSIP | mBlox Simple Interface Protocol (socket-based protocol designed for sending two-way SMS traffic) |
| MSIP | Mowgli Socket Interface Protocol |
| MSIP | Managed Services, Infrastructure and Products |
| MSIP | MILSTAR System Implementation Plan |
| MSIP | Member of the Singapore Institute of Planners |