| Acronym | Definition |
|---|
| GCRS➣Great Central Railway Society (UK) |
| GCRS➣Groupe Chalonnais de la Retraite Sportive (French: Chalon Retirement Sports Group) |
| GCRS➣Geocentric Celestial Reference System |
| GCRS➣Gulf Coast Robot Sports (Bradenton, FL) |
| GCRS➣Galactic Cosmic-Ray Source |
| GCRS➣Gulf Coast Rock Station (Internet radio; Pensacola, FL) |
| GCRS➣Government Cost and Rate Studies (Stanford University; California) |
| GCRS➣Gynecological Chylous Reflux Syndrome |