| MISIS | Men In Sheds in Shropshire 
| Others |
| MISIS | Micro Integrated Storm Information System
| Others |
| MISIS | Micro-Integrated Storm Information System
| Others |
| MISIS | Middlesex Integrated Student Information System
| Others |
| MISIS | Multitopology Routing in Intermediate System to Intermediate System
| Others |
| MISIS | My Integrated Student Information System
| Others |
| MISIS | My Integrated Student Information Systems
| Others |
| MISIS | Myanmar Institute of Strategic and International Studies
| Others |