| 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) |