GRCS
| Acronym | Definition |
|---|---|
| GRCS | Gambling Related Cognitions Scale (psychology questionnaire) |
| GRCS | Guardrail Common Sensor (US Army) |
| GRCS | Global Regulatory Compliance System |
| GRCS | Grand Rapids Christian Schools (Grand Rapids, MI) |
| GRCS | Good Rigging Control System (arborist rigging device) |
| GRCS | Grenada Red Cross Society (est. 1955; St. George's, Grenada) |
| GRCS | Georgian Red Cross Society |
| GRCS | Governance Risk and Compliance Services (India) |
| GRCS | Genetic Resources Communications Systems (est. 1985) |