| Acronym | Definition |
|---|
| RCMB➣Red Cedar Message Board (Michigan State Spartan message board) |
| RCMB➣Respiratory Cell and Molecular Biology |
| RCMB➣Racing Club Marillais Bouzillé (French soccer club) |
| RCMB➣Roquebrune Cap Martin Basket (French women's basketball team) |
| RCMB➣Royal Club des Magiciens de Bruxelles (French: Royal Club of Magicians of Brussels; Belgium) |
| RCMB➣Robertson's Cooked-Meat Broth (microbiology) |
| RCMB➣Research in Computational Molecular Biology (ACM Conference) |
| RCMB➣Rugby Club Montceau Bourgogne (French rugby club) |
| RCMB➣Rugby Club Montaigut Besse (French rugby club) |
| RCMB➣Royal Canadian Mounted Breaks (radio show) |