WMI

WMI may refer to:

• Washington Mutual Inc, a former savings bank holding company
• Waste Management, Inc (former NYSE symbol), a provider of waste management services
• Water Missions International, an engineering organization providing safe water and sanitation following natural disasters
• West Michigan Railroad (reporting mark)
• Former World Medicine Institute, Honolulu, Hawaii, US, previously Tai Hsuan Foundation College of Acupuncture & Herbal Medicine

• Windows Management Instrumentation, Microsoft extensions to the Windows Driver Model
• WMI (window manager), later wmii, Window Manager Improved, for X Window System
• World manufacturer identifier in a Vehicle Identification Number
• Working Memory Index, part of the Wechsler Intelligence Scale for Children
• Warsaw Modlin Airport, Poland, IATA code