| Acronym | Definition |
|---|
| MCW | Medical College of Wisconsin |
| MCW | Michael Carter-Williams (basketball player) |
| MCW | Metro Cammell Weymann (est. 1932; transportation) |
| MCW | Monitor and Control Workstation |
| MCW | Microsoft Word for Macintosh |
| MCW | Mac Write |
| MCW | Multi Code Word |
| MCW | Modulated Continuous Wave |
| MCW | My Computer Works (Scottsdale, AZ) |
| MCW | Memphis Championship Wrestling (professional wrestling circuit) |
| MCW | Mason City, IA, USA - Mason City Municipal Airport (Airport Code) |
| MCW | Mission Critical Wireless (Lincolnshire, IL) |
| MCW | Modulated Carrier Wave (US DoD) |
| MCW | MasterCard Worldwide |
| MCW | Makhteshim Chemical Works (Israel) |
| MCW | Making Cities Work (USAID) |
| MCW | Mains Cold Water |
| MCW | Motorcycle World |
| MCW | Meal, Cold Weather (food ration) |
| MCW | Micro Crystalline Wax (various companies) |
| MCW | My Coaching Website |
| MCW | Minimum Clear Width |
| MCW | Multiple Code Words |
| MCW | Multi Cryptocurrency Wallet |
| MCW | Manga Car World |
| MCW | Monitoring and Control Workstation |
| MCW | Miscellaneous Capital Work |
| MCW | Missionary Connection Week |