| Acronym | Definition |
|---|
| MWD | Measurement while Drilling (oil drilling) |
| MWD | Metropolitan Water District of Southern California |
| MWD | Municipal Water District |
| MWD | Military Working Dog |
| MWD | Molecular Weight Distribution |
| MWD | Merriam Webster Dictionary (Franklin Electronics) |
| MWD | Maximum Waiting Delay |
| MWD | Microsoft Windows Defender |
| MWD | Morgan Stanley Dean Witter (stock symbol) |
| MWD | Mean Wheal Diameter (skin prick tests) |
| MWD | Macehiter Ward-Dutton (UK) |
| MWD | My Wonderful Dog (various locations) |
| MWD | Megawatt-Day |
| MWD | Mobile Wireless Device |
| MWD | Microwave Diathermy |
| MWD | Manufacturing, Wholesale and Distribution |
| MWD | Minimum Working Distance (camera lenses) |
| MWD | Messages Waiting Data |
| MWD | Missing, Wrong & Damaged (defects in the production and shipment of computers metric) |
| MWD | Macaw Wasting Disease |
| MWD | Message Waiting Denied (telephone) |
| MWD | Ministry of Women's Development (Pakistan) |
| MWD | Maldives Web Directory |
| MWD | Movie Watching Dude |
| MWD | Momentum Wheel Driver (HETE-2) |
| MWD | Magnetostatic Wave Device |
| MWD | Married with Dependent |
| MWD | Ministerstwo Wnutrennich Djel (Russian: Ministry for the Interior) |
| MWD | Modified Weibull Distribution |
| MWD | Multi-Wavelength Detection |