| Acronym | Definition |
|---|
| RMSB➣Rocky Mountain School of Baseball (Logan, UT) |
| RMSB➣Rimbunan Melati Sdn. Bhd. (Malaysia) |
| RMSB➣Right Main Stem Bronchus |
| RMSB➣Richard M. Scrushy Building (University of Alabama at Birmingham) |
| RMSB➣Root Mean Square Bias |
| RMSB➣Ranaco Marine Sdn. Bhd. (Terengganu, Malaysia) |