| Acronym | Definition |
|---|
| GSF | Gross Square Feet (architectural design and construction) |
| GSF | GameSpy Forums |
| GSF | Genoa Social Forum (umbrella anti-G8 group) |
| GSF | Golden State Foods (Irvine, CA) |
| GSF | Griseofulvin (antifungal drug) |
| GSF | Government Superannuation Fund (New Zealand) |
| GSF | Grove Street Families (gaming, GTA: San Andreas) |
| GSF | Girls Schmirls Foundation (song by MXPX) |
| GSF | Generic Sensor Format |
| GSF | Georgia Southern & Florida (Railroad) |
| GSF | Global Standard Financial (Alpharetta, GA) |
| GSF | Government Security Forces (Nigeria) |
| GSF | Gridspace Freedom |
| GSF | GSF-Forschungszentrum für Umwelt und Gesundheit mbH |
| GSF | Geospatial Science Forum |
| GSF | GPS Support Facility |
| GSF | Growth Stock Fund |
| GSF | Gulf Sea Frontier |
| GSF | General Support Forces |
| GSF | Galaxy Science Fiction (magazine) |
| GSF | Ground Security Force (USMC) |
| GSF | General Special Forces (gaming clan) |
| GSF | Group of Soviet Forces |
| GSF | Grupo San Felipe (Argentina school) |
| GSF | Grenade Safety Fuse |
| GSF | Ground Support Facilities |
| GSF | Galactosemic Fibroblasts |
| GSF | Gnomish Special Forces (gaming guild in World of Warcraft) |
| GSF | Greensand Filter |
| GSF | General Semantics Foundation |
| GSF | Ground System of the Future |
| GSF | Group Sex Fic (fanfiction) |
| GSF | Grade So Far |
| GSF | Global Steel Finance (financial reporting) |
| GSF | Gemi Sewa Foundation (Sri Lanka) |
| GSF | Guardian Space Fleet (online fiction) |
| GSF | Government Securities Fund (various organizations) |
| GSF | Graduate School Fellowship (various schools) |
| GSF | Green Street Family |
| GSF | German Scooter Forum |
| GSF | Game Show Facts (website) |
| GSF | Gay-Straight Forum |
| GSF | Goldman Sachs Foundation |
| GSF | Global Speakers Federation (formerly International Federation for Professional Speakers) |