| Acronym | Definition |
|---|
| WM | William |
| WM | Windows Mobile (Microsoft) |
| WM | Windows Media (Microsoft) |
| WM | College of William and Mary (Williamsburg, VA) |
| WM | Waste Management |
| WM | Weltmeisterschaft (German: World Cup) |
| WM | Window Manager |
| WM | Web Money |
| WM | West Midlands (UK) |
| WM | Washing Machine (various companies) |
| WM | Wealth Management (finance) |
| WM | Washington Mutual, Inc. (stock symbol) |
| WM | World Machine (software) |
| WM | WalMart |
| WM | Wide Mouth |
| WM | Water Mist |
| WM | White Matter |
| WM | Working Memory |
| WM | Watermark |
| WM | Warehouse Management (SAP software) |
| WM | WrestleMania |
| WM | World Market |
| WM | West Marine (US boating supply chain) |
| WM | Windows Messenger |
| WM | West Mifflin (West Mifflin, PA) |
| WM | Web Master |
| WM | Wet Milieubeheer (Dutch: law on environment management) |
| WM | Working Man (Gibson guitar model) |
| WM | War Machine |
| WM | Web Mail |
| WM | Worshipful Master |
| WM | Wire Mesh |
| WM | West Milford (New York) |
| WM | Wachtmeister (German: Sergeant) |
| WM | Watershed Management |
| WM | Washington Monthly (Washington, DC) |
| WM | Window Maker (Linux window manager) |
| WM | Water Meter |
| WM | Winchester Magnum |
| WM | Wattmeter |
| WM | Western Montana |
| WM | Wire Management |
| WM | Weighted Mean |
| WM | Professionelles Wissensmanagement |
| WM | Why Me? |
| WM | White Mage (Final Fantasy game) |
| WM | Web Mining |
| WM | Who? Me? |
| WM | Weld Metal (welding) |
| WM | Wertpapier-Mitteilungen (German: ad-hoc statement on shares) |
| WM | Wireless Module |
| WM | Woman Marine |
| WM | Women Ministries |
| WM | Wooden Man |
| WM | Waveform Monitor |
| WM | Wet Mate (energy industry) |
| WM | Work Measurement |
| WM | Winged Migration (movie) |
| WM | World Mapping |
| WM | Waldenström's Macroglobulinemia |
| WM | Word Macro Virus |
| WM | Watch Manager (fire-fighter rank) |
| WM | WordMasters (national analogy test) |
| WM | Wangan Midnight (video game) |
| WM | Whorl Maggot |
| WM | Womans Ministry |
| WM | Written Manifest |
| WM | Women-Owned Minority Business |
| WM | Wronskian Model |
| WM | Wulling Motors Co., Ltd |