GCID
| Acronym | Definition |
|---|---|
| GCID | Glenn-Colusa Irrigation District |
| GCID | Glasgow Centre for International Development (Glasgow, Scotland, UK) |
| GCID | Global Call Identifier |
| GCID | GPRS Charging Identifier |
| GCID | Gulf Coast Investment Developers, Inc. (Biloxi, MS) |
| GCID | G. Carr Illustration & Design (Denver, CO) |
| GCID | Gibraltar Co-ordinating Centre for Criminal Intelligence and Drugs |
| GCID | Greensboro Center for Innovative Development (North Carolina) |