| Abbreviation | Definition |
|---|---|
| NTBA | National Travel Basketball Association |
| NWBF | Nigeria Wheelchair Basketball Federation |
| NWBL | National Wheelchair Basketball League |
| NWBL | National Women's Basketball League |
| NWBS | National Wheelchair Basketball Association |
| OAD | One and Done |
| OBA | Ontario Basketball Association |
| OBA | Outdoor Basketball Association |
| OBC | Oriental Basketball Club |
| OBCA | Oklahoma Basketball Coaches Association |
| OBL | Ontario Basketball League |
| OFB | Organized Filipino Basketball |
| OSBA | Ontario Scholastic Basketball Association |
| OVB | Ohio Valley Resource for Basketball Officials |
| OYB | Ohio Youth Basketball |
| PBA | Pabebe Basketball Association |
| PBA | Philippine Basketball Association |
| PBA | Pilipino Basketball Athletes |
| PBBK | Persbråten Basketball Klubb |
| PBL | Philippine Basketball League |