| Acronym | Definition |
|---|
| GCSD➣Groupe Conseil Saint-Denis (French: Saint-Denis Consulting Group; Canada) |
| GCSD➣Gilbert Community School District (Iowa) |
| GCSD➣Greece Central School District (Greece, NY) |
| GCSD➣Groveland Community Services District (Groveland, CA) |
| GCSD➣Goshen County School District (Torrington, WY) |
| GCSD➣Gloucester City School District (New Jersey) |
| GCSD➣Geneva City School District (New York) |
| GCSD➣Government Communications System Division |
| GCSD➣Gintas Combat Self Defence (martial arts) |
| GCSD➣Gladwin County Sheriff Department (Michigan) |