RCBS
| Acronym | Definition |
|---|---|
| RCBS | Rotary Club of Bangkok South (Thailand) |
| RCBS | Rathfarnham Concert Band Society (Ireland) |
| RCBS | Richard Campos Business Support (UK) |
| RCBS | Recurrent Carotid Blowout Syndrome (neuroradiology) |
| RCBS | Rock Chucker Bullet Swage (ammunition reloading company) |
| RCBS | Red Cross Basic Sailing (course) |