| Acronym | Definition |
|---|
| MSIA➣Malaysia |
| MSIA➣Movement of Spiritual Inner Awareness |
| MSIA➣Master of Science in Information Assurance |
| MSIA➣Member of the Singapore Institute of Architects |
| MSIA➣Microsoft Software Inventory Analyzer |
| MSIA➣Mapping Sciences Institute Australia (formerly Australian Institute of Cartographers) |
| MSIA➣Metadata Standards for Information Assurance (US DoD) |
| MSIA➣Missouri Self-Insurers Association |
| MSIA➣Multispectral Image Analyzer |
| MSIA➣Mobile Satellite Internet Access |