SIW

AcronymDefinition
SIWStrong Independent Woman
SIWStoßfänger in Wagenfarbe (German auto company)
SIWSystem Information for Windows (system properties and settings display)
SIWSocialist International Women (various locations)
SIWShort Instruction Word
SIWSystem Information for Windows
SIWShipping Intelligence Weekly (publication; Clarkson)
SIWSimulation Interoperability Workshop
SIWSinnlos Im Weltraum (German Star Trek spoof)
SIWSelf-Inflicted Wounds
SIWSubstrate Integrated Waveguide
SIWService Interworking (ATM, frame relay, etc.)
SIWStrategic Intelligence Wing
SIWSimulation Works, Inc. (Saint Paul, MN)
SIWSex Industry Worker (adult services)
SIWSchool of Infantry Weapons (Singapore Armed Forces)
SIWSilent in Waiting (gaming group)
SIWSoftware Inspections Workshop (STSC)
SIWSenior Information Warfare Applications Course
SIWSisters of the Incarnate Word and Blessed Sacrament, Cleveland (religious order)
SIWShare Ideas Willingly