| Acronym | Definition |
|---|
| MSIS➣Medicaid Statistical Information System (formerly MedStat) |
| MSIS➣Multiple Sclerosis Impact Scale |
| MSIS➣Meldingssystem for Smittsomme Sykdommer (Norwegian: Communicable Diseases Registry) |
| MSIS➣Marine Safety Information System |
| MSIS➣Man-Systems Integration Standards |
| MSIS➣Mass Spectrometer and Incoherent Scatter |
| MSIS➣Master of Science Information Systems |
| MSIS➣Model State Information System (EPA) |
| MSIS➣Modeling and Simulation Information System |
| MSIS➣Malawi Social Indicator Survey |
| MSIS➣Master of Spatial Information Science |