GSU

GSU may refer to one of several universities:
* Georgia State University, in Atlanta, Georgia, USA
* Georgia Southern University, in Statesboro, Georgia, USA
* Governors State University in University Park, Illinois, USA
* Grambling State University, in Grambling, Louisiana, USA

GSU may also refer to:
* Gulf States Utilities, a subsidiary of Entergy Corporation
* General Service Unit a Kenyan paramilitary special forces unit.
* Genealogical Society of Utah
* Geographically Separate Unit, a small U.S. military base reliant on a separate parent base for support and administrative services.