| Abbreviation | Definition |
|---|---|
| BASL | Beaches Adult Soccer League |
| BASL | Bendigo Amateur Soccer League |
| BASRA | Bay Area Soccer Referee Association |
| BAYS | Baltimore Area Youth Soccer |
| BAYS | Bay Area Youth Soccer |
| BAYS | Boston Area Youth Soccer |
| BAYSA | Bay Area Youth Soccer Association |
| BBSA | Beausejour Brokenhead Soccer Association |
| BBSA | Black Bear Soccer Alliance |
| BCCFA | British Columbia Community Football Association |
| BCSA | Big Country Soccer Association |
| BCSA | Bordentown Community Soccer Association |
| BCSA | British Columbia Soccer Association |
| BCSA | Broome County Soccer Association |
| BCSA | Burlington County Soccer Academy |
| BCSA | Butler County Soccer Association |
| BDMS | Burnaby District Metro Soccer |
| BDSL | Buffalo and District Soccer League |
| BDSL | Buffalo District Soccer League |
| BESA | Bedford Euless Soccer Association |