| 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) |