| Acronym | Definition |
|---|
| MAIS | Maximum Abbreviated Injury Scale (trauma severity measurement) |
| MAIS | Major Automated Information System (US DoD) |
| MAIS | Mild Androgen Insensitivity Syndrome (cells) |
| MAIS | Mediterranean Association of International Schools (Madrid, Spain) |
| MAIS | Movimento per l'Autosviluppo, l'Interscambio e la Solidarietà |
| MAIS | Master of Arts in International Studies |
| MAIS | Mobile Automated Instrumentation Suite (US Army) |
| MAIS | Michigan Administrative Information Services (University of Michigan, Ann Arbor, MI) |
| MAIS | Multichannel Adaptive Information Systems (Italy) |
| MAIS | Mallya Aditi International School |
| MAIS | Master of Arts, Integrated Studies |
| MAIS | Maintenance Information System |
| MAIS | Modular Airborne Imaging Spectrometer |
| MAIS | Masters of Arts in Intelligence Studies |
| MAIS | Military Airlift Intelligence System |
| MAIS | Method Adapted for Intermolecular Studies |
| MAIS | Micro Archiefinventarisatie Systeem |
| MAIS | Materiel Acquisition Integrated System |
| MAIS | Maintenance Analysis Information Sheet |
| MAIS | Murdoch Authentication and Identification System (Murdoch University, Perth, Western Australia) |
| MAIS | Moduli Di Autoapprendimento Dell'informatica per Studenti (Italian) |
| MAIS | Municipal Accounting and Information Systems |
| MAIS | Macroinvertebrate Aggregate Index for Streams |
| MAIS | Mauritius Agricultural Information System |