GSIS

AcronymDefinition
GSISGovernment Service Insurance System (Philippines)
GSISGyeonggi Suwon International School (Suwon, South Korea)
GSISGraduate School of International Studies
GSISGerman Swiss International School (The Peak, Hong Kong)
GSISGlobal State of Information Security (survey)
GSISGraduate School of Information Sciences
GSISGlobal Security and Intelligence Studies (Bachelor of Science Degree offered by ERAU)
GSISGrey Systems and Intelligent Services (IEEE International Conference)
GSISGraphics Standard Interface Standard
GSISGlobal System of Integrated Studies (Pakistan)