| Acronym | Definition |
|---|
| MSGB➣Madison Square Garden Boxing, Inc. (fight promotion) |
| MSGB➣Minor Salivary Gland Biopsy |
| MSGB➣Mah Sing Group Berhad (Malaysia) |
| MSGB➣Mid-State Golden Blades (Farmingdale, NJ) |
| MSGB➣Middle School Girls Basketball (various locations) |