| Abbreviation | Definition |
|---|---|
| MBL | Montreal Basketball League |
| MBL | Muslim Basketball League |
| MBL | my basketball life |
| MBLU | melty Basketball Ligue Universitaire |
| MBOA | Maryland Basketball Officials Association |
| MBOA | Metropolitan Basketball Officials Association |
| MBPA | Munirah Basketball Players Association |
| MBTC | Mahaka Basketball Training Camp |
| MBWA | Met Basketball Writers Association |
| MBWA | Metropolitan Basketball Writers Association |
| MDB | Minnesota Developmental Basketball |
| MEB | Montgomery excellence in basketball |
| MEBA | Melbourne East Basketball Association |
| MGBL | Mitch Gross Basketball League |
| MGBR | Midwest Girls Basketball Report |
| MIGB | Mercer Island Girls Basketball |
| MMBA | Mississauga Minor Basketball Association (Canada) |
| MMBL | Melbourne Metropolitan Basketball League |
| MNBA | Mongolian National Basketball Association |
| MNBL | Malden Neighborhood Basketball League |