WM

WM Wm, wm, or variants may refer to:

Companies

• Wal-Mart, an American retailing chain
• WM, former New York stock exchange ticker symbol for Washington Mutual, a former American savings bank
• WM, New York stock exchange ticker symbol for Waste Management, Inc, a North American garbage company

Science and medicine

• Waldenström's macroglobulinemia, a rare form of blood cancer
• Working memory, a part of the short-term memory
• White matter, a type of brain tissue

Technology and computing

• Window Maker, a window manager for the X Window System
• X window manager, a part in the X Window System
• Windows Media, a multimedia framework for media creation and distribution for Microsoft Windows
• Windows Messenger, a part included in the Microsoft Windows XP operating system
• Windows Mobile, an operating system for Pocket PCs

Sport

• WM formation, a formation in association football, so called because it spells out the letters when viewed from above
• WrestleMania, a professional wrestling pay-per-view event

Military

• The licence plate code used by the Germany Navy (Kriegsmarine) in World War II, standing for "Wehrmacht Marine"
• Waterloo Medal, a medal awarded to British soldiers who fought in the Waterloo campaign in 1815
• Woman Marine, a female member of the United States Marine Corps

Transport

• Western Maryland Railway, a former railway in the United States
• Windward Islands Airways or Winair IATA airline code

Other

• Wm. (also Wm), an abbreviation of the name William
• The College of William & Mary, a public research university in Virginia
• Worshipful Master, the head of a lodge in freemasonry
• Wm. (also WM), weight (or) measurement in respect of shipping ocean freight Ref.