| Abbreviation | Definition |
|---|---|
| MBBB | Midnight Breakfast Blues Band |
| MBBC | Mustang Band Booster Club |
| MBBF | Monterey Bay Blues Festival |
| MBBS | Music Business Bachelor of Science |
| MBCI | Mississippi Band of Choctaw Indians |
| MBE | Music Babble Expansion |
| MBGATE | Mastered by Guy at the Exchange (song title) |
| MBHC | Mount Baker Hard Core |
| MBHI | My Bacteria Heat Island |
| MBJ | Metropolitan Balcony Jumpers |
| MBK | Music Beyond Korea |
| MBLAQ | Music Boys Live in Absolute Quality |
| MBLAQ | Music Brothers Live in Absolute Quality |
| MBMC | Music Business of Music Composers |
| MBNG | Metal Band Name Generator |
| MBNM | Mixed By Nikodem Milewski |
| MBOA | Multi Band OFDM Alliance |
| MBOS | Marching Band Open Series |
| MBPF | Microstrip Band Pass Filter |
| MBS | Middle Bar Singer |