| Acronym | Definition |
|---|
| MSB➣Most Significant Bit |
| MSB➣McDonough School of Business (Georgetown University) |
| MSB➣Matanuska-Susitna Borough (Palmer, OK) |
| MSB➣Most Significant Byte (multiple byte sequences) |
| MSB➣Michael Stanley Band |
| MSB➣Money Services Business (non-bank financial institution) |
| MSB➣Middle School Boys (various locations) |
| MSB➣Michigan State (University) Broadcasting |
| MSB➣Midsize Business |
| MSB➣Media Stream Broadcast |
| MSB➣Most Significant Byte |
| MSB➣Marshall & Swift/Boeckh (insurance; various locations) |
| MSB➣Magic School Bus |
| MSB➣McCluer South Berkeley (school; St. Louis, MO) |
| MSB➣Monthly Statistical Bulletin (various locations) |
| MSB➣Marshall School of Business (University of Southern California) |
| MSB➣Municipal Services Building |
| MSB➣Molecular and Structural Biology (various schools) |
| MSB➣Mauritius Standards Bureau |
| MSB➣Mangala Shri Bhuti (Buddhist organization; Colorado; est. 1989) |
| MSB➣Medical Services Branch |
| MSB➣Merage School of Business (University of California, Irvine) |
| MSB➣Music Soundtrack Book (Middlesex University; London, UK) |
| MSB➣Minimum Sideband (modulation) |
| MSB➣Military Science Building (various locations) |
| MSB➣Malawi Savings Bank |
| MSB➣Medical Sciences Bulletin |
| MSB➣Medical School Building (University of Texas Health Science Center - Houston) |
| MSB➣The Robert Emmett McDonough School of Business (Georgetown University) |
| MSB➣Mortality Statistics Branch (US CDC) |
| MSB➣Membership Services Board (various organizations) |
| MSB➣Minesweeping Boat |
| MSB➣Modular Sleeping Bag |
| MSB➣Microsoft Security Bulletin |
| MSB➣Michelmersh Silver Band (UK) |
| MSB➣Maryland State Boychoir |
| MSB➣Michigan School for the Blind |
| MSB➣Melbourne Staff Band (Melbourne, Australia) |
| MSB➣Marxistischer Studentenbund (Marxist Students Federation) |
| MSB➣Magic Store Builder (various locations) |
| MSB➣Milli Savunma Bakanligi |
| MSB➣Marine Safety Branch (Canada) |
| MSB➣Magnetic Susceptibility Balance |
| MSB➣Mississippi School for the Deaf |
| MSB➣Main Switch Board |
| MSB➣Motorized Seatbelt (vehicles) |
| MSB➣Monetary Stabilization Bond |
| MSB➣Mid Size Bentley |
| MSB➣Massive Sperm Buildup |
| MSB➣Managing Student Behaviour (Australia) |
| MSB➣Multiple-Synapse Boutons |
| MSB➣Missile Support Base |
| MSB➣Mobile Sea Base |
| MSB➣Memory Storage Buffer |
| MSB➣Middletown Symphonic Band (Middletown, CT) |
| MSB➣Manufacturer Specified Blocks |
| MSB➣Minimum Security Baseline (IT security) |
| MSB➣Michigan Association of School Boards |
| MSB➣Molecular Sieve Bed |
| MSB➣Minnesota State Band (Saint Paul, MN) |
| MSB➣Mechanism Selection Box |
| MSB➣Modern Strategic Bomb |
| MSB➣Maintenance Standards Book |
| MSB➣Mechanized Summary Billing |
| MSB➣Main Street Bath, Inc. (Maine) |
| MSB➣Main Support Base/Battalion |
| MSB➣Mixing/Shearing/Blending |
| MSB➣Minimal Segmental Buckling (eye surgery) |
| MSB➣Message Storage Buffer |
| MSB➣Member of the Society of Biology (UK) |
| MSB➣Masters of Science in Bioethics (various locations) |
| MSB➣Multiple Switch Board |