| Acronym | Definition |
|---|
| MW | Megawatt |
| MW | Merriam-Webster |
| MW | Milliwatt |
| MW | Museums and the Web |
| MW | Molecular Weight |
| MW | Microwave |
| MW | Midwest |
| MW | Mediawiki (open sofware) |
| MW | Malawi (ISO country code, top level domain) |
| MW | Modern Warfare (gaming) |
| MW | Medium Wave (see MF) |
| MW | Most Wanted |
| MW | Microsoft Word |
| MW | Montenegro |
| MW | Microsoft Windows |
| MW | Millimeter Wave |
| MW | Mark Wahlberg (actor) |
| MW | Master of Wine |
| MW | Mevrouw (Dutch: Mrs.) |
| MW | Morrowind (computer game) |
| MW | Muslim World |
| MW | Milky Way |
| MW | Monitoring Well |
| MW | Middleware |
| MW | Minimum Wage |
| MW | Midwife |
| MW | MechWarrior (game) |
| MW | Memory Write |
| MW | Mud Weight |
| MW | Mary Washington |
| MW | Mountain West |
| MW | Maintenance Window |
| MW | Message Waiting (telephone) |
| MW | Magnetized Water |
| MW | Mittelwelle (radio band 300-3000 KHz, German) |
| MW | Meines Wissens (German: to my knowledge) |
| MW | Mouth Watering |
| MW | Marcos Witt (singer) |
| MW | Man Week |
| MW | Mixed Waste |
| MW | Moving Window |
| MW | Miracle Whip (salad dressing) |
| MW | Mine Warfare |
| MW | MacWrite (MacIntosh word processing file extension) |
| MW | Missile Wing (US DoD) |
| MW | Mace Windu (Star Wars character) |
| MW | Montgomery Wards (mail order department store) |
| MW | Michigan Wolverines |
| MW | Megaworks |
| MW | Meatwad (cartoon character) |
| MW | Manway |
| MW | Mouth Wash |
| MW | Milgard Windows |
| MW | Manual Windows (automotive) |
| MW | Modulation Wheel (music synthesizer) |
| MW | Maintenance of Way (railroad) |
| MW | Mejuffrouw (Dutch: Miss) |
| MW | Medium Well |
| MW | Missile Warning System |
| MW | Magnetic Wall |
| MW | Middle Welsh |
| MW | Mark Willis (country music artist) |
| MW | Medical Wing |
| MW | Mounted Warrior |
| MW | Moderate Weathering |
| MW | Machine Wars (Transformers comic) |
| MW | Maximum Window |
| MW | Master Warrant |
| MW | Metro Warriors (fantasy football league) |
| MW | Myth-Weavers (online roleplaying website) |
| MW | Men's Washroom |
| MW | Multipurpose Weapon |
| MW | Mennonite Women USA (Newton, KS) |
| MW | Matching Week (UK adoption procedures) |
| MW | Middle Woman |
| MW | Maine Woodsman |
| MW | Metropolitan Winds (Dallas, TX) |
| MW | Moogle War |
| MW | Meridian Winds (UK) |
| MW | Mega Wedge |
| MW | MetaOCaml Workshop |
| MW | Modified Wire-Wrap |