| Acronym | Definition |
|---|
| MWI➣Malawi (ISO Country code) |
| MWI➣Mobile Web Initiative (World Wide Web Consortium) |
| MWI➣Message-Waiting Indicator (telecommunications) |
| MWI➣Memory Write Invalidate |
| MWI➣Message Waiting Indication |
| MWI➣Mobile Web Initiative |
| MWI➣Many-Worlds Interpretation (Quantum Physics, Quantum Mechanics) |
| MWI➣Ministry of Water and Irrigation |
| MWI➣Medical Waste Incinerator |
| MWI➣microwave irradiation |
| MWI➣Media Wearout Indicator (computing) |
| MWI➣Mafia Wars Indonesia (gaming clan) |
| MWI➣Marriage Witness Index (UK) |
| MWI➣Microwave Imaging |
| MWI➣Mountain Wilderness International |
| MWI➣Mad Wae It! |
| MWI➣Medical Waste Institute |
| MWI➣Magee Womancare International (Pittsburgh, PA; free preventive healthcare) |
| MWI➣Mad With It (intoxicated) |
| MWI➣Missouri Watershed Initiative |
| MWI➣Manufacturing Work Instruction |
| MWI➣Managing for Weekly Improvement |
| MWI➣Met While Incarcerated |
| MWI➣Management Work Instruction |