MSB
MSB is an abbreviation for:
- Le Mans Sarthe Basket, a French basketball club
- Mainschleifenbahn
- Marxist Student Association Spartacus
- MSB Medical School Berlin, a private college
- Methylstyrylbenzol, see bis- MSB
- Military security area
- Mittelschwaben web
- Most significant bit, bit significance see
- Minimum spanning tree
- Disambiguation
- Abbreviation