GRBS
| Acronym | Definition |
|---|---|
| GRBS | Greek, Roman and Byzantine Studies (journal) |
| GRBS | Gardeners' Royal Benevolent Society (Perennial; Leatherhead, Surrey, England, UK) |
| GRBS | GIDC (Gujarat Industrial Development Corporation) Rofel Business School (India) |
| GRBS | Grand River Bead Society (Guelph, Ontario, Canada) |