| Acronym | Definition |
|---|
| WIS➣Wisdom |
| WIS➣Wisconsin (old style) |
| WIS➣Washington International School |
| WIS➣Writers in Schools (various locations) |
| WIS➣Weizmann Institute of Science |
| WIS➣Women in Science |
| WIS➣Worldwide Information System |
| WIS➣Wireless Intel Speedstep |
| WIS➣Wireless Internet Server |
| WIS➣Water-Insoluble Solid (biomass) |
| WIS➣Workshop Information System (automotive industry) |
| WIS➣Wellesley Information Services |
| WIS➣Washington Inventory Service |
| WIS➣WAN Interface Sublayer |
| WIS➣Wachovia Insurance Services, Inc. (now Wells Fargo Insurance Services USA) |
| WIS➣Windows Installer Service |
| WIS➣Web Information System |
| WIS➣WWMCCS Information System |
| WIS➣Wonderful Iodine State (South Carolina) |
| WIS➣Waseda International School (Japan) |
| WIS➣Walsh Intermediate School (Branford, CT) |
| WIS➣Wehrwissenschaftliches Institut für Schutztechnologien (CBRN-defence Agency of the federal German Armament Division) |
| WIS➣Wroclaw International School (Poland) |
| WIS➣Watch Idiot Savant |
| WIS➣Werkzoekende Informatie Systeem (Dutch: Jobseeker Information System) |
| WIS➣Worldwide Industrial Seaming |
| WIS➣Wedge Imaging Spectrometer |
| WIS➣Wagon Investment Scheme (Indian Railways) |
| WIS➣Workforce Investment Systems |
| WIS➣World Institute of Science |
| WIS➣Weapon Information System |
| WIS➣Work in Submission |
| WIS➣World Interact System (company, Budapest Hungary) |
| WIS➣Weapons Interface Subsystem |
| WIS➣World Intelligence Summary (US DIA) |
| WIS➣Wireless Industry Standards |
| WIS➣WFP (World Food Programme) Information System (UN) |