| Abbreviation | Definition |
|---|---|
| CJ | Chad, Junior |
| CJ | Chae, Junior |
| CJ | Chapman Jouguet |
| CJ | Charles James |
| CJ | Charles Jefferson |
| CJ | Charles John |
| CJ | Charles Johnson |
| CJ | Charles Jonathan |
| CJ | Charles Joseph |
| CJ | Charles, Junior |
| CJ | Charlie Jacob |
| CJ | Charlie Joe |
| CJ | Charlie Junior |
| CJ | Charlotte Jeanette |
| CJ | Chen Jade |
| CJ | Chevy Junior |
| CJ | Chris Junior |
| CJ | Chrissy Jo |
| CJ | Christian Joaquin |
| CJ | Christina Jeanne |