| Abbreviation | Definition |
|---|---|
| BJ | Big Junkie |
| BJ | Bill Junior |
| BJ | Billie Jean |
| BJ | Billie Jo |
| BJ | Billie Joe |
| BJ | Billy Joe |
| BJ | Billy Junior |
| BJ | Blain Joseph |
| BJ | Bobbie Jean |
| BJ | Bobbie Jo |
| BJ | Bobbie Joe |
| BJ | Bobby Jean |
| BJ | Bobby Joe |
| BJ | Bobo Junior |
| BJ | Bonnie Joan |
| BJ | Bonnie Joy |
| BJ | Bradley John |
| BJ | Brandon James |
| BJ | Brandy Josephine |
| BJ | Brendon Jonathan |