| MAIS | Mallya Aditi International School 
| Others |
| MAIS | Master of Arts in Interdisciplinary Studies
| Others |
| MAIS | Master of Arts in International Studies
| Others |
| MAIS | Maximum Abbreviated Injury Scale
| Others |
| MAIS | Medical Assistance Intercept System
| Others |
| MAIS | Mediterranean Association of International Schools
| Others |
| MAIS | Mild Androgen Insensitivity Syndrome
| Others |
| MAIS | Minnesota Association of Independent Schools
| Others |
| MAIS | Mississippi Association of Independent Schools
| Others |
| MAIS | Mobile Automated Information System
| Others |
| MAIS | Motorlu Arac Imalat Ve Satis
| Others |
| MAIS | Mountain Area Information Network
| Others |
| MAIS | Multi-cultural Australia and Immigration Studies
| Others |
| MAIS | Murdoch Authentication and Identification System
| Others |