| Acronym | Definition |
|---|
| MWS | Millennium Wave Securities, LLC |
| MWS | Multimedia Wireless System |
| MWS | Marden-Walker Syndrome |
| MWS | Middleware for Web Services Workshop |
| MWS | Magic Work Station (game) |
| MWS | Middle-Wavelength-Sensitive |
| MWS | Metropolitan Wind Symphony (Jamaica Plain, MA) |
| MWS | Missile Warning Squadron |
| MWS | Marine Warranty Survey (various companies) |
| MWS | Medical Warning System (New Zealand) |
| MWS | Missile Warning Set |
| MWS | Mobile & Wireless Solutions |
| MWS | Master Work Schedule |
| MWS | Mid-Winter Waterfowl Survey |
| MWS | Minix Web Services |
| MWS | Manufacturing Work Station |
| MWS | Minimum Wheel Speed |
| MWS | Multi Weapons System (gaming, Xenosaga, Episode I) |
| MWS | MasterWord Services (translation company, Houston, Texas) |
| MWS | Modern Western Society |
| MWS | Microwave Wind Scatterometer |
| MWS | Millimeter Wave Scintillation |
| MWS | Mansfield Wind Symphony (Mansfield, TX) |
| MWS | Muckle-Wells Syndrome |
| MWS | Mechanical Welding Services (UK) |
| MWS | Mississippi Wind Symphony |
| MWS | Mobile Web Server (phone software) |
| MWS | Mobile Work Station (Monarch) |
| MWS | Million Wells Scheme (India) |
| MWS | Maine Warden Service |
| MWS | Maxwell-Wagner-Sillars (dielectric effect in physical chemistry) |
| MWS | Medical World Search |
| MWS | Missile Warning System |
| MWS | Moriah Wind System |
| MWS | Microwave Sounder |
| MWS | Mini Workstation |
| MWS | Major Weapon(s) System |
| MWS | Management Workstation |
| MWS | Missile Weapon System |
| MWS | Mobile Weapon System |
| MWS | Modular Weapon System |
| MWS | Multiwave Sentry (Ciena) |
| MWS | Multi-Wavelength System (Pirelli) |
| MWS | Michael W. Smith (singer) |
| MWS | Missile Warning Sensor |
| MWS | Manitoba Water Stewardship (Canada) |