MSIF
| Acronym | Definition |
|---|---|
| MSIF | Multiple Sclerosis International Federation (London, England) |
| MSIF | Moldova Social Investment Fund (World Bank) |
| MSIF | Morgan Stanley Institutional Fund, Inc. |
| MSIF | Main Street Individual Fund (political group) |
| MSIF | Multisystem Integration Facility |
| MSIF | Medicare Supplier Identification File (US DHHS) |